3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = 'base_url'; $value = 'new_value'; $config = '$config["base_url"] = "old_value";'; $config = preg_replace('/\[(?:\'|\")'.$name.'(?:\'|\")\]\s*=\s*(\'|\")(.*)\\1;/', "['".$name."'] = '$value';", $config); echo '<pre>', var_dump($config), '</pre>';

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)
8.3.40.0140.00418.98
8.3.30.0080.00818.69
8.3.20.0040.00418.76
8.3.10.0060.00320.73
8.3.00.0040.00419.18
8.2.170.0140.00722.96
8.2.160.0060.00919.09
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0060.00319.77
8.2.110.0060.00321.06
8.2.100.0060.00617.91
8.2.90.0000.00919.17
8.2.80.0030.00618.04
8.2.70.0050.00317.63
8.2.60.0040.00417.91
8.2.50.0040.00418.07
8.2.40.0040.00418.28
8.2.30.0000.00818.20
8.2.20.0040.00417.92
8.2.10.0080.00417.85
8.2.00.0030.00617.78
8.1.270.0030.00623.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00620.74
8.1.230.0000.01221.03
8.1.220.0040.00417.80
8.1.210.0000.00819.02
8.1.200.0080.00017.48
8.1.190.0000.00717.51
8.1.180.0060.00318.10
8.1.170.0080.00018.90
8.1.160.0040.00418.88
8.1.150.0000.00718.85
8.1.140.0040.00417.51
8.1.130.0000.00717.85
8.1.120.0000.00717.50
8.1.110.0000.00717.69
8.1.100.0080.00017.59
8.1.90.0040.00417.62
8.1.80.0040.00417.58
8.1.70.0000.00717.60
8.1.60.0050.00317.73
8.1.50.0000.00817.61
8.1.40.0090.00017.61
8.1.30.0040.00417.80
8.1.20.0000.00817.70
8.1.10.0000.00717.50
8.1.00.0000.00817.63
8.0.300.0070.00020.03
8.0.290.0040.00416.88
8.0.280.0000.00718.41
8.0.270.0030.00317.28
8.0.260.0030.00516.99
8.0.250.0040.00417.10
8.0.240.0030.00616.98
8.0.230.0040.00417.07
8.0.220.0000.00716.98
8.0.210.0040.00417.00
8.0.200.0000.00617.14
8.0.190.0030.00417.10
8.0.180.0040.00416.95
8.0.170.0000.00917.06
8.0.160.0000.00817.02
8.0.150.0040.00416.98
8.0.140.0030.00617.04
8.0.130.0080.00013.45
8.0.120.0000.00716.89
8.0.110.0050.00216.84
8.0.100.0030.00516.94
8.0.90.0030.00517.02
8.0.80.0070.00717.06
8.0.70.0040.00417.08
8.0.60.0040.00417.02
8.0.50.0040.00317.08
8.0.30.0110.00917.01
8.0.20.0090.01417.32
8.0.10.0000.00717.14
8.0.00.0060.01116.85
7.4.330.0000.00613.31
7.4.320.0100.00016.81
7.4.300.0030.00316.71
7.4.290.0030.00316.71
7.4.280.0030.00616.73
7.4.270.0030.00316.80
7.4.260.0030.00313.54
7.4.250.0000.00816.75
7.4.240.0040.00416.84
7.4.230.0070.00016.55
7.4.220.0040.01416.69
7.4.210.0070.01016.84
7.4.200.0000.00716.91
7.4.190.0050.00316.62
7.4.160.0000.01616.55
7.4.150.0200.00316.59
7.4.140.0070.01216.71
7.4.130.0080.00916.59
7.4.120.0170.00816.62
7.4.110.0060.01216.73
7.4.100.0130.00416.68
7.4.90.0190.00416.79
7.4.80.0000.01616.60
7.4.70.0100.01316.65
7.4.60.0070.01016.67
7.4.50.0000.00416.62
7.4.40.0050.00716.37
7.4.30.0140.00316.67
7.4.00.0040.00815.30
7.3.330.0060.00013.37
7.3.320.0000.00613.35
7.3.310.0040.00416.36
7.3.300.0070.00016.53
7.3.290.0070.00716.46
7.3.280.0040.01116.50
7.3.270.0160.00616.87
7.3.260.0130.01016.72
7.3.250.0050.01416.68
7.3.240.0100.00716.50
7.3.230.0100.00716.40
7.3.210.0070.01616.47
7.3.200.0070.01019.39
7.3.190.0120.01216.76
7.3.180.0090.01316.50
7.3.170.0070.01316.57
7.3.160.0070.01416.70
7.3.120.0070.00715.28
7.2.330.0130.00616.91
7.2.320.0070.01116.95
7.2.310.0110.01516.60
7.2.300.0090.00816.87
7.2.290.0030.01516.79
7.2.00.0070.00719.68
7.1.100.0060.00618.25
7.1.70.0000.00717.55
7.1.60.0090.00919.40
7.1.50.0060.01517.16
7.1.00.0100.03322.48
7.0.200.0030.00717.04
7.0.140.0030.06722.08
7.0.120.0030.07322.01
7.0.60.0070.03719.94
7.0.50.0070.08017.99
7.0.40.0000.09320.14
7.0.30.0500.07320.06
7.0.20.0230.08020.17
7.0.10.0100.09020.02
7.0.00.0030.04320.10
5.6.280.0000.07721.01
5.6.210.0200.06720.53
5.6.200.0000.09018.12
5.6.190.0130.06320.61
5.6.180.0230.05320.49
5.6.170.0330.07720.48
5.6.160.0130.08020.50
5.6.150.0100.05718.13
5.6.140.0000.04318.15
5.6.130.0130.08018.12
5.6.120.0170.04720.96
5.6.110.0070.08321.03
5.6.100.0070.07720.96
5.6.90.0030.09021.00
5.6.80.0000.08320.38
5.5.350.0070.07720.41
5.5.340.0100.03717.98
5.5.330.0070.08320.47
5.5.320.0370.03320.23
5.5.310.0370.07020.26
5.5.300.0170.06717.98
5.5.290.0030.08017.98
5.5.280.0100.04320.84
5.5.270.0070.08320.96
5.5.260.0100.04720.78
5.5.250.0170.07320.54
5.5.240.4170.03720.18
5.4.450.0070.04319.44
5.4.440.0030.04019.50
5.4.430.0000.04319.24
5.4.420.0030.03719.50
5.4.410.0070.03319.38
5.4.400.0100.03019.22
5.4.390.0070.03318.88
5.4.380.0030.03718.92
5.4.370.0200.03319.14
5.4.360.0030.04719.00
5.4.350.0100.05719.07
5.4.340.0070.08019.14
5.4.320.0100.07319.18
5.4.310.0100.03719.08
5.4.300.0070.07718.79
5.4.290.0100.07318.88
5.4.280.0100.04319.14
5.4.270.0200.06018.91
5.4.260.0100.07319.07
5.4.250.0100.05718.78
5.4.240.0030.04319.14
5.4.230.0030.04319.09
5.4.220.0200.06719.07
5.4.210.0070.07719.13
5.4.200.0030.06318.99
5.4.190.0030.08018.96
5.4.180.0200.07018.80
5.4.170.0100.04319.16
5.4.160.0030.07718.89
5.4.150.0070.07719.15
5.4.140.0070.05716.20
5.4.130.0000.04016.25
5.4.120.0100.05716.24
5.4.110.0100.07016.32
5.4.100.0000.04716.25
5.4.90.0070.07316.27
5.4.80.0130.05716.32
5.4.70.0000.06016.20
5.4.60.0070.05016.21
5.4.50.0030.07016.63
5.4.40.0000.04316.38
5.4.30.0030.06716.29
5.4.20.0000.05716.29
5.4.10.0030.06316.17
5.4.00.0070.04015.62
5.3.290.0070.07714.59
5.3.280.0000.08014.52
5.3.270.0030.08014.53
5.3.260.0030.04714.54
5.3.250.0030.04014.53
5.3.240.0030.08014.50
5.3.230.0070.07314.53
5.3.220.0030.05014.49
5.3.210.0030.05014.49
5.3.200.0030.06314.49
5.3.190.0130.07014.50
5.3.180.0130.03714.44
5.3.170.0170.05314.49
5.3.160.0030.07714.52
5.3.150.0030.04014.52
5.3.140.0070.04714.53
5.3.130.0100.03314.48
5.3.120.0070.04314.48
5.3.110.0130.07014.36
5.3.100.0100.07013.97
5.3.90.0100.07013.89
5.3.80.0070.06313.97
5.3.70.0000.04013.85
5.3.60.0030.03713.80
5.3.50.0100.07713.91
5.3.40.0000.04313.78
5.3.30.0000.04313.83
5.3.20.0130.04713.65
5.3.10.0030.06713.58
5.3.00.0070.07713.58
5.2.170.0030.06711.04
5.2.160.0000.03711.00
5.2.150.0100.05711.13
5.2.140.0100.06011.03
5.2.130.0070.06311.25
5.2.120.0070.05711.07
5.2.110.0000.05011.25
5.2.100.0000.06710.98
5.2.90.0030.06011.04
5.2.80.0100.05011.25
5.2.70.0100.06011.03
5.2.60.0030.06711.20
5.2.50.0100.03310.87
5.2.40.0030.04310.89
5.2.30.0030.06710.96
5.2.20.0070.06310.86
5.2.10.0070.02710.88
5.2.00.0100.05310.71
5.1.60.0030.0379.96
5.1.50.0030.0309.99
5.1.40.0130.0409.97
5.1.30.0100.03010.34
5.1.20.0130.04310.35
5.1.10.0070.0509.96
5.1.00.0100.02710.04
5.0.50.0030.0338.58
5.0.40.0000.0478.58
5.0.30.0000.0608.58
5.0.20.0000.0338.58
5.0.10.0030.0478.58
5.0.00.0030.0638.58
4.4.90.0070.0338.58
4.4.80.0000.0378.58
4.4.70.0000.0338.58
4.4.60.0030.0138.58
4.4.50.0030.0308.58
4.4.40.0000.0308.58
4.4.30.0030.0378.58
4.4.20.0070.0208.58
4.4.10.0070.0308.58
4.4.00.0030.0538.58
4.3.110.0000.0178.58
4.3.100.0000.0278.58
4.3.90.0030.0378.58
4.3.80.0030.0438.58
4.3.70.0030.0208.58
4.3.60.0000.0378.58
4.3.50.0000.0338.58
4.3.40.0000.0378.58
4.3.30.0000.0338.58
4.3.20.0000.0378.58
4.3.10.0000.0338.58
4.3.00.0000.0278.58

preferences:
46.38 ms | 400 KiB | 5 Q