3v4l.org

run code in 300+ PHP versions simultaneously
<?php $r = md5(rand().microtime(TRUE)); $_POST = [ $r => 'theSubmittedUsername', '__autocomplete_fix_' . $r => 'username' ]; foreach ($_POST as $key => $val) { $newKey = preg_replace('~^__autocomplete_fix_~', '', $key, 1, $count); if ($count) { $_POST[$val] = $_POST[$newKey]; unset($_POST[$key], $_POST[$newKey]); } } var_export($_POST);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.2.10.0000.01017.88
8.0.70.0040.01317.05
8.0.30.0110.01117.03
8.0.20.0080.01017.04
8.0.10.0110.00517.15
8.0.00.0100.00817.18
7.4.160.0110.00716.78
7.4.150.0080.00716.88
7.4.140.0070.01016.83
7.4.130.0090.00916.86
7.4.120.0090.00816.75
7.4.110.0040.01116.76
7.4.100.0090.00716.87
7.4.90.0110.00616.78
7.4.80.0060.01216.72
7.4.70.0080.01116.70
7.4.60.0090.01016.75
7.4.50.0090.01016.68
7.4.40.0060.01016.69
7.4.30.0120.00716.74
7.4.20.0040.00816.80
7.4.10.0100.00616.54
7.4.00.0090.00916.59
7.3.280.0170.00316.50
7.3.270.0090.00716.46
7.3.260.0110.01116.45
7.3.250.0020.01616.46
7.3.240.0080.01216.48
7.3.230.0070.01116.44
7.3.220.0130.00616.47
7.3.210.0110.00516.61
7.3.200.0120.00616.56
7.3.190.0150.00716.55
7.3.180.0100.00716.54
7.3.170.0100.00816.54
7.3.160.0110.00516.54
7.3.150.0110.00816.44
7.3.140.0090.00816.50
7.3.130.0050.01316.54
7.3.120.0090.01016.40
7.3.110.0060.01216.42
7.3.100.0060.01216.40
7.3.90.0080.00816.72
7.3.80.0040.01116.49
7.3.70.0080.00916.44
7.3.60.0080.01016.64
7.3.50.0050.01116.59
7.3.40.0090.00816.57
7.3.30.0100.00716.64
7.3.20.0090.00816.64
7.3.10.0050.01216.55
7.3.00.0110.00516.55
7.2.340.0210.00816.65
7.2.330.0180.01216.75
7.2.320.0170.01016.70
7.2.310.0170.01116.74
7.2.300.0150.00816.67
7.2.290.0160.00816.75
7.2.280.0210.00516.71
7.2.270.0150.00716.71
7.2.260.0150.01116.72
7.2.250.0160.01016.75
7.2.240.0160.01316.69
7.2.230.0160.00916.70
7.2.220.0180.00716.74
7.2.210.0140.01116.69
7.2.200.0150.01216.74
7.2.190.0170.00816.69
7.2.180.0120.01416.79
7.2.170.0120.01216.81
7.2.160.0170.01116.74
7.2.150.0220.00816.80
7.2.140.0190.00816.83
7.2.130.0250.01116.89
7.2.120.0130.01216.84
7.2.110.0150.01016.78
7.2.100.0300.00716.74
7.2.90.0100.01116.81
7.2.80.0100.01116.73
7.2.70.0120.00916.74
7.2.60.0120.00916.81
7.2.50.0120.00916.79
7.2.40.0130.00916.87
7.2.30.0100.01516.91
7.2.20.0220.01116.88
7.2.10.0140.01016.84
7.2.00.0140.00616.87

preferences:
38.22 ms | 401 KiB | 5 Q