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*[\'\"]fuuu[\'\"]/i', 'define("DB_PASSWORD", "123456")', $a) . "\n"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]fuuu[\'\"]/', 'define("DB_PASSWORD", "123456")', $b) . "\n"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]fuuu[\'\"]/', 'define("DB_PASSWORD", "123456")', $c) . "\n"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]fuuu[\'\"]/', '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)
8.3.60.0100.01016.36
8.3.50.0140.00522.06
8.3.40.0060.01218.91
8.3.30.0070.00719.18
8.3.20.0080.00020.34
8.3.10.0050.00321.82
8.3.00.0060.00319.63
8.2.180.0150.00618.54
8.2.170.0120.00322.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0100.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.73
8.2.110.0040.00421.00
8.2.100.0040.00817.88
8.2.90.0040.00419.34
8.2.80.0050.00317.97
8.2.70.0030.00617.88
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0030.00620.01
8.2.30.0040.00418.09
8.2.20.0000.00717.84
8.2.10.0080.00017.98
8.2.00.0000.00717.91
8.1.280.0040.01125.92
8.1.270.0000.00920.32
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.01022.80
8.1.230.0040.00717.48
8.1.220.0000.00817.80
8.1.210.0090.00018.77
8.1.200.0000.01017.48
8.1.190.0000.00817.48
8.1.180.0080.00018.10
8.1.170.0040.00420.56
8.1.160.0040.00422.11
8.1.150.0000.00818.97
8.1.140.0040.00417.73
8.1.130.0030.00317.92
8.1.120.0070.00017.70
8.1.110.0070.00017.66
8.1.100.0020.00517.50
8.1.90.0000.00717.64
8.1.80.0040.00417.66
8.1.70.0050.00317.61
8.1.60.0060.00317.75
8.1.50.0040.00417.67
8.1.40.0000.00917.69
8.1.30.0030.00517.66
8.1.20.0000.00717.82
8.1.10.0060.00317.57
8.1.00.0030.00717.66
8.0.300.0020.00518.77
8.0.290.0040.00416.63
8.0.280.0070.00018.42
8.0.270.0000.00717.28
8.0.260.0000.00817.29
8.0.250.0030.00317.13
8.0.240.0030.00317.00
8.0.230.0000.00717.11
8.0.220.0030.00317.00
8.0.210.0000.00817.07
8.0.200.0030.00317.11
8.0.190.0040.00417.02
8.0.180.0040.00417.09
8.0.170.0040.00417.04
8.0.160.0000.00817.14
8.0.150.0070.00017.07
8.0.140.0040.00416.91
8.0.130.0000.00713.49
8.0.120.0050.00317.14
8.0.110.0040.00417.17
8.0.100.0000.00817.18
8.0.90.0070.00017.09
8.0.80.0040.01117.18
8.0.70.0040.00417.03
8.0.60.0030.00517.17
8.0.50.0080.00017.02
8.0.30.0080.01317.23
8.0.20.0130.00717.40
8.0.10.0040.00417.14
8.0.00.0120.01017.09
7.4.330.0050.00015.15
7.4.320.0030.00316.65
7.4.300.0000.00716.73
7.4.290.0030.00316.88
7.4.280.0030.00616.73
7.4.270.0070.00016.75
7.4.260.0070.00016.68
7.4.250.0000.00716.84
7.4.240.0030.00316.74
7.4.230.0030.00316.81
7.4.220.0120.00616.68
7.4.210.0070.01016.85
7.4.200.0070.00016.84
7.4.160.0090.00916.87
7.4.150.0110.00717.40
7.4.140.0140.01217.86
7.4.130.0080.00916.64
7.4.120.0080.00916.72
7.4.110.0180.00316.62
7.4.100.0120.00616.64
7.4.90.0090.00916.79
7.4.80.0150.00919.39
7.4.70.0060.01016.67
7.4.60.0060.01116.80
7.4.50.0040.00016.71
7.4.40.0040.01216.80
7.4.30.0130.00416.77
7.4.00.0030.01215.07
7.3.330.0030.00313.24
7.3.320.0090.00313.12
7.3.310.0080.00016.44
7.3.300.0070.00016.35
7.3.290.0000.00716.34
7.3.280.0090.00616.37
7.3.270.0120.00617.40
7.3.260.0040.01416.68
7.3.250.0120.00616.40
7.3.240.0040.01316.43
7.3.230.0140.00916.61
7.3.210.0040.01216.38
7.3.200.0120.00619.39
7.3.190.0070.01016.29
7.3.180.0130.00316.43
7.3.170.0030.01316.63
7.3.160.0190.00316.40
7.2.330.0090.00916.81
7.2.320.0040.01416.56
7.2.310.0110.00716.68
7.2.300.0030.01416.77
7.2.290.0090.00916.70
7.2.00.0040.01219.69
7.1.100.0040.01317.84
7.1.70.0030.00817.14
7.1.60.0100.01019.50
7.1.50.0120.01217.05
7.1.00.0000.08022.47
7.0.200.0080.00815.15
7.0.140.0030.07321.92
7.0.60.0100.05319.80
7.0.50.0070.06717.91
7.0.40.0070.04020.32
7.0.30.0630.06320.35
7.0.20.0230.08320.21
7.0.10.0200.05720.03
7.0.00.0200.07020.01
5.6.280.0070.07021.04
5.6.210.0070.05720.52
5.6.200.0030.08318.15
5.6.190.0030.04320.39
5.6.180.0230.04720.61
5.6.170.0230.05020.48
5.6.160.0030.06020.63
5.6.150.0030.08718.12
5.6.140.0070.08718.07
5.6.130.0030.06318.18
5.6.120.0070.06020.99
5.6.110.0070.05321.02
5.6.100.0030.08020.97
5.6.90.0130.07320.96
5.6.80.0230.06320.39
5.6.70.0300.06020.36
5.5.350.0270.08320.49
5.5.340.0100.07017.91
5.5.330.0130.07320.15
5.5.320.0000.04720.25
5.5.310.0130.04720.30
5.5.300.0130.06017.87
5.5.290.0000.06718.02
5.5.280.0100.07020.86
5.5.270.0030.04720.76
5.5.260.0070.06020.86
5.5.250.0100.05020.75
5.5.240.0030.06720.14
5.4.450.0730.05319.32
5.4.440.0970.06719.47
5.4.430.0630.06019.48
5.4.420.0100.05319.13
5.4.410.0070.06018.80
5.4.400.0370.06018.51
5.4.390.0400.04718.71
5.4.380.0300.05718.70
5.4.370.0300.05718.73
5.4.360.0470.06018.64
5.4.350.0400.05018.66
5.4.340.0400.05018.50
5.4.320.0370.08018.51
5.4.310.0300.05018.67
5.4.300.0270.06318.70
5.4.290.0270.07018.69
5.4.280.0330.06318.65
5.4.270.0230.07018.49
5.4.260.0570.06018.71
5.4.250.0500.05318.46
5.4.240.0470.06018.63
5.4.230.0370.07018.67
5.4.220.0430.06018.72
5.4.210.0470.06018.68
5.4.200.0470.06316.65
5.4.190.0400.06318.61
5.4.180.0470.07018.45
5.4.170.0400.07318.66
5.4.160.0930.05318.75
5.4.150.1000.06018.54
5.4.140.0730.07016.23
5.4.130.0800.03716.29
5.4.120.0770.05316.04
5.4.110.0230.07716.29
5.4.100.0230.07016.32
5.4.90.0370.06316.04
5.4.80.0270.06716.08
5.4.70.0330.05716.20
5.4.60.0100.07016.32
5.4.50.0230.06716.04
5.4.40.0270.06716.04
5.4.30.0300.06016.27
5.4.20.0300.06716.01
5.4.10.0530.05316.21
5.4.00.0700.05315.50
5.3.290.0270.06314.71
5.3.280.0130.06714.54
5.3.270.0970.06714.55
5.3.260.0430.06714.55
5.3.250.0570.07314.54
5.3.240.0370.08314.70
5.3.230.0470.05314.58
5.3.220.0530.06014.52
5.3.210.0570.05714.54
5.3.200.0400.06714.50
5.3.190.0600.05314.61
5.3.180.0300.07014.56
5.3.170.0370.07714.59
5.3.160.0570.06314.49
5.3.150.0500.05714.71
5.3.140.0430.06014.53
5.3.130.0500.06014.48
5.3.120.0330.07314.61
5.3.110.0370.06014.61
5.3.100.0400.06714.11
5.3.90.0430.07013.97
5.3.80.0630.05013.95
5.3.70.0400.07014.00
5.3.60.0570.07014.15
5.3.50.0430.05313.88
5.3.40.0530.06013.94
5.3.30.0470.06014.06
5.3.20.2000.06713.84
5.3.10.0370.06013.58
5.3.00.0400.06313.60
5.2.170.0300.06311.07
5.2.160.0470.04011.11
5.2.150.0330.06011.17
5.2.140.1830.06311.18
5.2.130.0470.04311.08
5.2.120.1770.04711.16
5.2.110.0330.05011.12
5.2.100.0370.04011.07
5.2.90.0370.03711.08
5.2.80.0370.04011.15
5.2.70.0330.05011.14
5.2.60.1570.04711.02
5.2.50.0330.06010.96
5.2.40.0270.05710.98
5.2.30.0470.05011.02
5.2.20.0470.05010.89
5.2.10.0300.04710.82
5.2.00.0200.06010.78
5.1.60.0300.04010.06
5.1.50.0330.03010.06
5.1.40.0130.0479.95
5.1.30.0270.03710.32
5.1.20.0330.03310.38
5.1.10.0200.04710.08
5.1.00.0370.04010.12
5.0.50.0130.0378.67
5.0.40.0100.0338.45
5.0.30.0330.0478.22
5.0.20.0070.0438.27
5.0.10.0200.0378.29
5.0.00.0070.0638.36
4.4.90.0230.0206.43
4.4.80.0170.0276.43
4.4.70.0130.0306.43
4.4.60.0170.0236.43
4.4.50.0070.0306.43
4.4.40.0200.0336.43
4.4.30.0070.0306.43
4.4.20.0070.0336.43
4.4.10.0470.0336.43
4.4.00.0170.0306.43
4.3.110.0100.0306.43
4.3.100.0100.0276.43
4.3.90.0200.0136.43
4.3.80.0100.0406.43
4.3.70.0200.0176.43
4.3.60.0170.0276.43
4.3.50.0130.0306.43
4.3.40.0300.0306.43
4.3.30.0200.0236.43
4.3.20.0070.0306.43
4.3.10.0100.0306.43
4.3.00.0100.0236.80

preferences:
67.55 ms | 401 KiB | 5 Q