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run code in 300+ PHP versions simultaneously
<?php $messages = [ 'Fout in veld 1', 'Fout in veld 2', 'Fouten in veld 3' => [ 'titel', 'is niet uniek', 'moet minimaal 3 tekens lang zijn', ], 'Fout in veld 6' ]; function rec($messages, $i = 0) { foreach($messages as $title => $message) { if (is_array($message)) { $k = $i + 1; return rec($message, $k); } $output = ''; for ($j = -1; $j < $i; $j++) { $output .= ' - '; } echo $output . $message + "\n"; } } rec($messages);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/vOv2h:31 Stack trace: #0 /in/vOv2h(37): rec(Array) #1 {main} thrown in /in/vOv2h on line 31
Process exited with code 255.

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