Feat: show warning message if required php functions are not available

src/Config/installer.php

@@ -28,6 +28,9 @@
             'JSON',
             'cURL',
         ],
+        'php-function' => [
+            'apache_get_modules',
+        ],
         'apache' => [
             'mod_rewrite',
         ],

src/Helpers/RequirementsChecker.php

@@ -35,6 +35,18 @@ public function check(array $requirements)
                         }
                     }
                     break;
+                // check php function requirements
+                case 'php-function':
+                    foreach ($requirements[$type] as $requirement) {
+                        $results['requirements'][$type][$requirement] = true;
+
+                        if (! function_exists($requirement)) {
+                            $results['requirements'][$type][$requirement] = false;
+
+                            $results['warnings'] = true;
+                        }
+                    }
+                    break;
                 // check apache requirements
                 case 'apache':
                     foreach ($requirements[$type] as $requirement) {

src/Lang/en/installer_messages.php

@@ -36,6 +36,8 @@
         'templateTitle' => 'Step 1 | Server Requirements',
         'title' => 'Server Requirements',
         'next'    => 'Check Permissions',
+        'warning' => 'Warning',
+        'warningNotExistPhpFunction' => 'You may experience problems during installation and/or later because the specified PHP functions do not work.',
     ],
 
     /*

src/Lang/tr/installer_messages.php

@@ -36,6 +36,8 @@
         'templateTitle' => 'Adım 1 | Sunucu Gereksinimleri',
         'title' => 'Sunucu Gereksinimleri',
         'next'    => 'İzinleri Kontrol Et',
+        'warning' => 'Uyarı',
+        'warningNotExistPhpFunction' => 'Belirtilen PHP fonksiyonları çalışmadığı için yükleme esnasında ve/veya daha sonrasında sorun yaşayabilirsiniz.',
     ],
 
     /*

src/Views/requirements.blade.php

@@ -39,8 +39,20 @@
     @endforeach
 
     @if ( ! isset($requirements['errors']) && $phpSupportInfo['supported'] )
+        @if(isset($requirements['warnings']))
+            <div class="alert alert-warning" id="error_alert">
+                <button type="button" class="close" id="close_alert" data-dismiss="alert" aria-hidden="true">
+                    <span aria-hidden="true">×</span>
+                </button>
+                <div class="alert-icon">
+                    <i class="fa fa-exclamation" aria-hidden="true"></i>
+                    <strong>{{ trans('installer_messages.requirements.warning') }}</strong>
+                </div>
+                <span class="alert-text">{{ trans('installer_messages.requirements.warningNotExistPhpFunction') }}</span>
+            </div>
+        @endif
         <div class="buttons">
-            <a class="button" href="{{ route('LaravelInstaller::permissions') }}">
+            <a @class(['button', 'warning'=> isset($requirements['warnings'])]) href="{{ route('LaravelInstaller::permissions') }}">
                 {{ trans('installer_messages.requirements.next') }}
                 <i class="fa fa-angle-right fa-fw" aria-hidden="true"></i>
             </a>

src/assets/css/scss/_variables.scss

@@ -39,6 +39,10 @@ $color_36: rgba(0, 0, 0, 0.1);
 $color_37: #ccc;
 $color_38: rgba(0, 0, 0, 0.3);
 $color_39: #ffffff;
+$color_40: #ffc107;
+$color_41: #856404;
+$color_42: #fff3cd;
+$color_43: #ffeeba;
 
 //fonts
 $font_0: sans-serif;

src/assets/css/scss/style.scss

@@ -889,6 +889,10 @@ input[type=text] {
 		box-shadow: 0 10px 10px $color_7, 0 6px 3px $color_8;
 		background-color: $color_16;
 	}
+	&.warning {
+		background-color: $color_40;
+		color: $color_18;
+	}
 }
 .button--light {
 	padding: 3px 16px;
@@ -1238,6 +1242,29 @@ input[type='number'] {
 			margin: 0;
 		}
 	}
+	&.alert-warning {
+		color: $color_41;
+		background-color: $color_42;
+		border-color: $color_43;
+		.close {
+			border: 0;
+			width: unset;
+			height: unset;
+			padding: .75rem 1.25rem;
+			float: right;
+			font-weight: 700;
+			line-height: 1;
+			color: inherit;
+			text-shadow: 0 1px 0 $color_10;
+			opacity: .5;
+			&:hover {
+				background-color: transparent;
+				color: $color_1;
+				text-decoration: none;
+				opacity: .75;
+			}
+		}
+	}
 	.close {
 		width: 25px;
 		height: 25px;