3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "define('DB_PASSWORD', 'fuuu'); fuuu"; $b = 'define("DB_PASSWORD", "fuuu"); fuuu"; $c = 'DEFINE("DB_PASSWORD", "fuuu"); fuuu"; $d = "DEFINE('DB_PASSWORD', 'fuuu'); fuuu"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]123456[\'\"]/', 'define("DB_PASSWORD", "123456")', $a) . "\n"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]123456[\'\"]/', 'define("DB_PASSWORD", "123456")', $b) . "\n"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]123456[\'\"]/', 'define("DB_PASSWORD", "123456")', $c) . "\n"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]123456[\'\"]/', 'define("DB_PASSWORD", "123456")', $d) . "\n";

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)
5.6.80.0030.05320.35
5.5.240.0300.07320.35
5.4.400.0430.05318.79
5.4.390.0370.05718.60
5.4.380.0430.05018.84
5.4.370.0500.08718.53
5.4.360.0370.06018.69
5.4.350.0470.05018.80
5.4.340.0470.05018.73
5.4.320.0430.05718.71
5.4.310.0530.06018.74
5.4.300.0470.06018.63
5.4.290.0500.06718.78
5.4.280.0600.05718.58
5.4.270.0530.07318.78
5.4.260.0500.05318.61
5.4.250.0570.05318.68
5.4.240.0570.06718.84
5.4.230.0600.06018.74
5.4.220.0430.05718.70
5.4.210.0430.06018.52
5.4.200.0530.05716.59
5.4.190.0400.05018.77
5.4.180.0630.06318.77
5.4.170.0530.07018.67
5.4.160.0470.06718.72
5.4.150.0430.05018.70
5.4.140.0400.05316.28
5.4.130.0570.04316.29
5.4.120.0470.04716.23
5.4.110.0370.05016.25
5.4.100.0500.05716.43
5.4.90.0430.05316.19
5.4.80.0430.06716.19
5.4.70.0330.06016.17
5.4.60.0500.04016.20
5.4.50.0430.05316.25
5.4.40.0430.05716.40
5.4.30.0400.05716.25
5.4.20.0500.05716.21
5.4.10.0370.05316.20
5.4.00.0330.05315.73
5.3.290.0470.06014.64
5.3.280.0330.06014.58
5.3.270.0400.06314.58
5.3.260.0370.06314.52
5.3.250.0500.07314.52
5.3.240.0430.05314.50
5.3.230.0570.05714.50
5.3.220.0430.05714.48
5.3.210.0500.05014.60
5.3.200.0400.06314.55
5.3.190.0470.06014.58
5.3.180.0500.05014.49
5.3.170.0370.05714.56
5.3.160.0470.06714.55
5.3.150.0430.07314.64
5.3.140.0330.06014.45
5.3.130.0400.06014.58
5.3.120.0400.05714.48
5.3.110.0470.04714.52
5.3.100.0500.05013.97
5.3.90.0470.05714.01
5.3.80.0530.04714.11
5.3.70.0330.08313.97
5.3.60.0400.04713.92
5.3.50.0370.05713.92
5.3.40.0330.05713.93
5.3.30.0470.05713.82
5.3.20.0530.05313.78
5.3.10.0500.04713.64
5.3.00.0430.06013.73
5.2.170.0400.04711.27
5.2.160.0300.05711.13
5.2.150.0400.04711.07
5.2.140.4500.06011.17
5.2.130.0370.05011.13
5.2.120.0300.04711.23
5.2.110.1600.05011.13
5.2.100.0070.06011.16
5.2.90.2900.05011.04
5.2.80.0330.03711.02
5.2.70.0100.04711.07
5.2.60.0070.04711.02
5.2.50.0230.04711.04
5.2.40.0270.04010.97
5.2.30.0130.04710.94
5.2.20.0230.04010.93
5.2.10.0270.05310.96
5.2.00.0230.05310.76
5.1.60.0200.0539.95
5.1.50.0330.03710.13
5.1.40.0330.0409.96
5.1.30.0330.04310.38
5.1.20.0170.04310.49
5.1.10.0130.04010.11
5.1.00.0200.03710.13
5.0.50.0100.0438.56
5.0.40.0070.0438.40
5.0.30.0130.0508.19
5.0.20.0170.0238.25
5.0.10.0200.0208.18
5.0.00.0230.0378.34
4.4.90.0070.0236.36
4.4.80.0070.0236.36
4.4.70.0130.0306.36
4.4.60.0130.0306.36
4.4.50.0170.0236.36
4.4.40.0130.0436.36
4.4.30.0170.0206.36
4.4.20.0100.0236.36
4.4.10.0200.0176.36
4.4.00.0130.0406.36
4.3.110.0230.0206.36
4.3.100.0130.0276.36
4.3.90.0100.0236.36
4.3.80.0130.0336.36
4.3.70.0100.0206.36
4.3.60.0200.0176.36
4.3.50.0070.0276.36
4.3.40.0100.0406.36
4.3.30.0100.0206.36
4.3.20.0100.0206.36
4.3.10.0000.0276.36
4.3.00.0030.0206.80

preferences:
128.58 ms | 1398 KiB | 7 Q