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run code in 150+ php & hhvm versions
Bugs & Features
<?php function convertToTimestamp($dateStr) { $dateStr = trim($dateStr); if (!function_exists('date_create')) { return strtotime($dateStr); } $oDate = date_create($dateStr); if ($oDate instanceof DateTime) { #$curErrors = $oDate->getLastErrors(); #print_r($curErrors); #$curErrors = array_filter($curErrors, 'is_numeric'); #$curErrors = (bool)array_sum($curErrors); #if (!$curErrors) { return (int)$oDate->format('U'); #} } return false; } echo convertToTimestamp("2012-01-01"); // 1325376000 echo "<br>"; var_dump( convertToTimestamp("foo") ); // sollte false
Output for 5.1.1 - 5.1.6, 5.2.6 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1325372400<br>bool(false)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.0 - 5.2.5
1325372400<br> Warning: date_create(): Failed to parse time string (foo) at position 0 (f): The timezone could not be found in the database in /in/ZmQBI on line 10 int(1455915155)
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/ZmQBI on line 26
Process exited with code 255.
Output for 5.0.0 - 5.0.5
1325372400<br>int(-1)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/ZmQBI on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/ZmQBI on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ZmQBI on line 11
Process exited with code 255.