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"; $old = preg_quote("un}C)y~&tSzb"); echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]'.$old.'[\'\"]/i', 'define("DB_PASSWORD", "123456")', $a) . "\n"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]'.$old.'[\'\"]/i', 'define("DB_PASSWORD", "123456")', $b) . "\n"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]'.$old.'[\'\"]/i', 'define("DB_PASSWORD", "123456")', $c) . "\n"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]'.$old.'[\'\"]/i', '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)
8.3.60.0130.00318.43
8.3.50.0040.01118.34
8.3.40.0070.00718.96
8.3.30.0090.00619.19
8.3.20.0070.00020.39
8.3.10.0080.00021.73
8.3.00.0090.00019.50
8.2.180.0120.00918.41
8.2.170.0040.01119.03
8.2.160.0120.00922.96
8.2.150.0090.00024.18
8.2.140.0050.00524.66
8.2.130.0080.00026.16
8.2.120.0040.00419.61
8.2.110.0080.00020.89
8.2.100.0040.00718.07
8.2.90.0060.00318.09
8.2.80.0040.00417.97
8.2.70.0080.00017.88
8.2.60.0030.00617.92
8.2.50.0080.00018.07
8.2.40.0030.00520.07
8.2.30.0040.00418.08
8.2.20.0000.00717.89
8.2.10.0000.00818.27
8.2.00.0040.00417.83
8.1.280.0070.00725.92
8.1.270.0070.00420.25
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0090.00023.96
8.1.230.0080.00420.92
8.1.220.0030.00517.91
8.1.210.0040.00418.89
8.1.200.0000.00817.48
8.1.190.0000.00817.48
8.1.180.0040.00418.10
8.1.170.0050.00320.37
8.1.160.0040.00422.08
8.1.150.0000.00719.02
8.1.140.0040.00417.60
8.1.130.0000.00717.91
8.1.120.0030.00517.52
8.1.110.0000.00817.62
8.1.100.0040.00417.68
8.1.90.0040.00417.53
8.1.80.0000.00817.47
8.1.70.0070.00017.57
8.1.60.0040.00417.66
8.1.50.0090.00017.51
8.1.40.0030.00517.70
8.1.30.0000.00817.84
8.1.20.0040.00417.72
8.1.10.0040.00717.59
8.1.00.0040.00417.59
8.0.300.0050.00220.03
8.0.290.0000.00716.88
8.0.280.0040.00418.53
8.0.270.0000.00717.33
8.0.260.0000.00717.29
8.0.250.0000.00717.10
8.0.240.0030.00317.04
8.0.230.0000.00717.06
8.0.220.0000.00817.02
8.0.210.0020.00517.07
8.0.200.0030.00317.12
8.0.190.0040.00417.13
8.0.180.0070.00016.95
8.0.170.0030.00617.09
8.0.160.0000.00916.97
8.0.150.0040.00416.89
8.0.140.0030.00516.90
8.0.130.0030.00313.48
8.0.120.0080.00017.09
8.0.110.0050.00217.14
8.0.100.0070.00017.14
8.0.90.0040.00417.22
8.0.80.0100.00717.12
8.0.70.0040.00417.15
8.0.60.0040.00416.86
8.0.50.0000.00717.10
8.0.30.0130.00717.28
8.0.20.0090.01017.42
8.0.10.0040.00417.16
8.0.00.0090.00916.91
7.4.330.0020.00215.05
7.4.320.0000.00616.84
7.4.300.0060.00016.80
7.4.290.0040.00416.73
7.4.280.0000.01016.64
7.4.270.0030.00316.87
7.4.260.0030.00516.72
7.4.250.0050.00216.70
7.4.240.0030.00316.79
7.4.230.0030.00316.93
7.4.220.0080.01116.66
7.4.210.0130.00216.79
7.4.200.0000.00716.54
7.4.160.0060.01116.70
7.4.150.0120.00617.40
7.4.140.0110.01317.86
7.4.130.0070.01516.64
7.4.120.0110.00716.68
7.4.110.0100.01316.72
7.4.100.0120.00916.57
7.4.90.0030.01316.65
7.4.80.0140.00619.39
7.4.70.0150.00316.54
7.4.60.0100.00616.53
7.4.50.0020.00216.32
7.4.40.0160.00016.61
7.4.30.0040.01416.68
7.4.00.0060.00614.91
7.3.330.0050.00013.29
7.3.320.0110.00013.26
7.3.310.0030.00316.48
7.3.300.0040.00416.45
7.3.290.0000.00616.37
7.3.280.0090.00716.41
7.3.270.0110.00717.40
7.3.260.0100.00716.67
7.3.250.0080.00916.77
7.3.240.0070.01016.66
7.3.230.0090.01216.61
7.3.210.0100.00716.72
7.3.200.0090.01219.39
7.3.190.0130.00316.54
7.3.180.0060.00916.64
7.3.170.0060.01316.44
7.3.160.0100.01016.46
7.2.330.0100.00716.66
7.2.320.0140.00316.74
7.2.310.0070.01116.52
7.2.300.0120.01016.81
7.2.290.0060.01316.91
7.2.60.0070.00717.14
7.2.00.0090.00919.77
7.1.200.0070.00715.93
7.1.100.0150.01117.97
7.1.70.0000.00717.23
7.1.60.0100.01319.50
7.1.50.0120.01217.25
7.1.00.0070.07322.29
7.0.200.0110.00415.09
7.0.140.0000.07322.16
7.0.60.0100.06720.00
7.0.50.0100.03317.91
7.0.40.0030.05720.04
7.0.30.0430.04720.32
7.0.20.0300.08020.10
7.0.10.0270.08320.19
7.0.00.0000.04720.34
5.6.280.0030.07320.82
5.6.210.0130.07720.47
5.6.200.0100.07018.07
5.6.190.0070.04320.32
5.6.180.0200.04720.38
5.6.170.0330.07320.49
5.6.160.0070.04320.46
5.6.150.0100.06718.19
5.6.140.0030.05018.11
5.6.130.0070.05318.08
5.6.120.0070.05720.98
5.6.110.0070.04021.13
5.6.100.0100.05321.09
5.6.90.0030.09020.87
5.6.80.0100.08320.53
5.6.70.0430.06720.42
5.5.350.0230.06020.30
5.5.340.0130.07717.88
5.5.330.0030.08320.21
5.5.320.0030.04020.38
5.5.310.0270.08020.17
5.5.300.0100.07717.92
5.5.290.0070.03717.98
5.5.280.0030.05320.80
5.5.270.0030.07720.86
5.5.260.0070.04020.77
5.5.250.0000.04320.46
5.5.240.0000.04720.27
5.4.450.0530.06319.60
5.4.440.1070.07719.47
5.4.430.0930.05719.13
5.4.420.1030.05719.46
5.4.410.0070.06718.72
5.4.400.0970.06018.78
5.4.390.1200.05318.59
5.4.380.0300.07018.77
5.4.370.1100.05318.50
5.4.360.0430.05318.63
5.4.350.0430.07318.63
5.4.340.0300.06718.70
5.4.320.1530.05318.71
5.4.310.0270.07018.69
5.4.300.0470.05318.68
5.4.290.1130.05318.70
5.4.280.0330.06018.72
5.4.270.0470.06718.65
5.4.260.1030.06018.49
5.4.250.0500.05718.67
5.4.240.0400.05318.73
5.4.230.0270.06718.57
5.4.220.0400.05018.62
5.4.210.0530.06318.57
5.4.200.0370.05316.51
5.4.190.0300.06718.55
5.4.180.0300.05318.45
5.4.170.0500.04018.57
5.4.160.0500.07318.70
5.4.150.0330.06018.63
5.4.140.0330.06016.36
5.4.130.0430.05016.16
5.4.120.0330.05316.16
5.4.110.0330.06716.04
5.4.100.0430.06716.04
5.4.90.0400.05716.25
5.4.80.0500.04016.05
5.4.70.0300.06316.04
5.4.60.0400.05316.23
5.4.50.0500.04316.27
5.4.40.1070.06016.17
5.4.30.0400.06716.19
5.4.20.0570.06016.19
5.4.10.0300.05316.01
5.4.00.0400.05315.60
5.3.290.0370.06014.74
5.3.280.0400.07014.50
5.3.270.0370.06014.59
5.3.260.0270.07014.66
5.3.250.0200.05714.54
5.3.240.0170.06014.52
5.3.230.0500.05314.70
5.3.220.0830.06314.54
5.3.210.0430.08314.55
5.3.200.0570.06314.63
5.3.190.0670.06314.55
5.3.180.1530.08314.52
5.3.170.2000.07014.52
5.3.160.0600.06014.51
5.3.150.0530.06014.63
5.3.140.0300.06714.54
5.3.130.0430.07714.64
5.3.120.0500.04314.46
5.3.110.0430.07714.54
5.3.100.0530.05314.09
5.3.90.0500.07013.99
5.3.80.0500.06714.00
5.3.70.0170.07314.00
5.3.60.0530.05714.01
5.3.50.0400.05713.93
5.3.40.0370.07313.94
5.3.30.0200.06713.89
5.3.20.0170.06313.66
5.3.10.0630.06013.64
5.3.00.0470.07013.67
5.2.170.0330.04711.16
5.2.160.0370.04711.11
5.2.150.0430.04311.20
5.2.140.0400.05011.13
5.2.130.0370.05011.09
5.2.120.0370.04711.13
5.2.110.0370.04311.16
5.2.100.0330.04711.10
5.2.90.0170.05711.17
5.2.80.0330.05311.13
5.2.70.0270.04311.07
5.2.60.0470.05311.09
5.2.50.0270.05310.99
5.2.40.0300.04010.91
5.2.30.0300.05710.96
5.2.20.0300.05311.18
5.2.10.0270.05010.91
5.2.00.0200.04710.74
5.1.60.0170.04310.12
5.1.50.0270.04710.01
5.1.40.0300.02710.00
5.1.30.0200.03710.48
5.1.20.0300.03710.46
5.1.10.0170.04010.12
5.1.00.0330.04310.08
5.0.50.0170.0338.58
5.0.40.0130.0378.40
5.0.30.0200.0438.36
5.0.20.0170.0278.29
5.0.10.0100.0438.20
5.0.00.0170.0438.18
4.4.90.0230.0306.46
4.4.80.0100.0376.46
4.4.70.0100.0306.46
4.4.60.0230.0236.46
4.4.50.0130.0306.46
4.4.40.0270.0436.46
4.4.30.0230.0276.46
4.4.20.0170.0336.46
4.4.10.0070.0406.46
4.4.00.0230.0276.46
4.3.110.0200.0176.46
4.3.100.0200.0276.46
4.3.90.0270.0206.46
4.3.80.0100.0506.46
4.3.70.0200.0236.46
4.3.60.0170.0206.46
4.3.50.0100.0306.46
4.3.40.0030.0506.46
4.3.30.0070.0236.46
4.3.20.0100.0206.46
4.3.10.0030.0336.46
4.3.00.0100.0236.80

preferences:
48.75 ms | 400 KiB | 5 Q