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)
8.3.60.0120.00616.75
8.3.50.0110.00717.51
8.3.40.0080.00818.96
8.3.30.0040.01118.76
8.3.20.0040.00418.89
8.3.10.0080.00020.61
8.3.00.0070.00317.75
8.2.180.0210.00016.38
8.2.170.0120.00622.96
8.2.160.0140.00321.02
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00519.61
8.2.110.0060.00321.09
8.2.100.0000.01118.03
8.2.90.0060.00319.33
8.2.80.0000.00819.28
8.2.70.0060.00317.50
8.2.60.0030.00617.93
8.2.50.0080.00018.07
8.2.40.0000.00718.22
8.2.30.0000.00718.01
8.2.20.0000.00717.78
8.2.10.0040.00417.74
8.2.00.0080.00017.89
8.1.280.0090.00625.92
8.1.270.0000.00724.66
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00322.46
8.1.230.0080.00420.88
8.1.220.0040.00417.78
8.1.210.0050.00318.85
8.1.200.0060.00317.47
8.1.190.0110.00017.51
8.1.180.0000.00818.10
8.1.170.0040.00418.92
8.1.160.0070.00018.89
8.1.150.0000.00718.70
8.1.140.0060.00317.61
8.1.130.0040.00417.90
8.1.120.0050.00217.50
8.1.110.0080.00017.64
8.1.100.0040.00317.62
8.1.90.0000.00717.66
8.1.80.0000.00817.59
8.1.70.0040.00417.56
8.1.60.0050.00217.66
8.1.50.0040.00417.65
8.1.40.0060.00317.69
8.1.30.0040.00417.71
8.1.20.0060.00617.78
8.1.10.0050.00217.63
8.1.00.0090.00017.62
8.0.300.0040.00419.98
8.0.290.0030.00616.75
8.0.280.0070.00018.46
8.0.270.0000.00717.28
8.0.260.0000.00716.96
8.0.250.0000.00717.01
8.0.240.0040.00417.11
8.0.230.0000.00716.98
8.0.220.0070.00017.06
8.0.210.0030.00517.01
8.0.200.0000.00817.08
8.0.190.0050.00317.11
8.0.180.0080.00016.95
8.0.170.0040.00416.88
8.0.160.0000.00716.94
8.0.150.0030.00616.81
8.0.140.0080.00416.90
8.0.130.0000.00513.46
8.0.120.0040.00417.02
8.0.110.0080.00016.99
8.0.100.0040.00417.05
8.0.90.0040.00417.14
8.0.80.0100.00716.98
8.0.70.0030.00517.02
8.0.60.0040.00416.82
8.0.50.0040.00416.98
8.0.30.0130.00817.22
8.0.20.0120.00617.36
8.0.10.0040.00416.98
8.0.00.0090.01116.72
7.4.330.0030.00313.27
7.4.320.0030.00316.83
7.4.300.0000.00716.81
7.4.290.0020.00516.75
7.4.280.0070.00016.73
7.4.270.0000.00716.72
7.4.260.0030.00313.50
7.4.250.0060.00316.79
7.4.240.0070.00016.74
7.4.230.0000.00716.50
7.4.220.0040.01516.76
7.4.210.0070.00716.75
7.4.200.0070.00016.79
7.4.190.0000.00716.71
7.4.160.0200.00316.54
7.4.150.0000.02016.68
7.4.140.0130.00816.52
7.4.130.0170.00316.71
7.4.120.0060.01116.60
7.4.110.0100.00716.69
7.4.100.0120.00916.66
7.4.90.0030.01316.70
7.4.80.0170.00716.47
7.4.70.0090.00616.37
7.4.60.0030.01616.62
7.4.50.0000.00916.84
7.4.40.0070.00316.67
7.4.30.0060.01016.58
7.4.00.0030.01014.91
7.3.330.0060.00013.29
7.3.320.0030.00313.31
7.3.310.0030.00616.56
7.3.300.0000.00716.52
7.3.290.0090.00916.47
7.3.280.0070.00916.49
7.3.270.0200.00316.55
7.3.260.0100.01216.66
7.3.250.0080.00916.58
7.3.240.0230.00016.51
7.3.230.0070.01116.50
7.3.210.0130.00616.48
7.3.200.0120.00919.39
7.3.190.0060.01116.37
7.3.180.0080.00816.55
7.3.170.0070.01216.79
7.3.160.0150.00616.46
7.3.120.0030.01015.19
7.3.10.0090.00316.84
7.3.00.0070.01016.61
7.2.330.0070.01016.92
7.2.320.0130.00916.73
7.2.310.0150.00816.68
7.2.300.0100.01316.88
7.2.290.0120.00616.95
7.2.130.0080.00817.12
7.2.120.0040.01116.84
7.2.110.0070.00717.07
7.2.100.0030.00617.21
7.2.90.0030.01317.21
7.2.80.0120.00016.94
7.2.70.0060.00316.91
7.2.60.0070.00617.05
7.2.50.0060.00316.84
7.2.40.0060.00917.24
7.2.30.0040.01417.09
7.2.20.0030.00717.00
7.2.10.0070.00717.14
7.2.00.0080.00718.35
7.1.250.0000.01215.72
7.1.200.0100.00315.96
7.1.100.0070.00718.64
7.1.70.0030.00617.45
7.1.60.0100.01419.40
7.1.50.0040.00817.11
7.1.00.0170.05722.43
7.0.200.0090.00016.59
7.0.140.0030.07322.08
7.0.120.0070.06021.96
7.0.60.0070.08020.02
7.0.50.0100.04017.80
7.0.40.0070.04319.92
7.0.30.0100.04720.15
7.0.20.0300.07720.10
7.0.10.0370.07020.13
7.0.00.0130.08020.30
5.6.280.0000.06320.81
5.6.210.0170.07020.72
5.6.200.0070.08718.23
5.6.190.0100.04720.76
5.6.180.0300.04720.33
5.6.170.0300.04720.52
5.6.160.0030.08320.41
5.6.150.0100.07318.19
5.6.140.0030.07718.12
5.6.130.0000.08018.11
5.6.120.0100.07321.13
5.6.110.0100.08021.13
5.6.100.0100.06721.11
5.6.90.0100.07721.09
5.6.80.0070.07320.43
5.6.70.4230.03020.52
5.5.350.0330.07020.36
5.5.340.0200.07017.91
5.5.330.0130.03320.14
5.5.320.0330.06720.07
5.5.310.0170.05720.17
5.5.300.0000.04018.00
5.5.290.0070.08017.95
5.5.280.0130.06320.86
5.5.270.0030.04020.67
5.5.260.0000.09020.72
5.5.250.0100.07720.57
5.5.240.0100.07320.18
5.4.450.0030.05019.41
5.4.440.0030.08019.46
5.4.430.0070.04019.24
5.4.420.0070.04319.42
5.4.410.0000.05719.27
5.4.400.0030.04719.13
5.4.390.0130.07719.08
5.4.380.0100.07318.96
5.4.370.0030.05319.18
5.4.360.0030.04019.18
5.4.350.0070.08319.20
5.4.340.0030.06319.18
5.4.320.0130.04319.18
5.4.310.0070.06319.12
5.4.300.0070.07318.79
5.4.290.0070.03718.80
5.4.280.0070.04319.18
5.4.270.0100.05319.02
5.4.260.0130.07019.07
5.4.250.0070.07319.14
5.4.240.0030.06018.78
5.4.230.0130.07318.91
5.4.220.0030.04718.90
5.4.210.0100.04319.17
5.4.200.0130.07018.91
5.4.190.0000.07719.07
5.4.180.0030.04019.07
5.4.170.0130.06019.17
5.4.160.0070.05019.05
5.4.150.0000.04319.11
5.4.140.0000.05016.26
5.4.130.0070.03716.20
5.4.120.0000.08016.20
5.4.110.0100.07016.28
5.4.100.0030.03716.23
5.4.90.0070.03316.41
5.4.80.0030.04716.35
5.4.70.0100.07016.38
5.4.60.0000.07716.25
5.4.50.0070.07016.34
5.4.40.0070.05316.29
5.4.30.0100.07316.35
5.4.20.0070.04016.40
5.4.10.0130.03316.34
5.4.00.0070.06715.79
5.3.290.0100.07314.59
5.3.280.0070.07714.54
5.3.270.0000.04014.57
5.3.260.0000.04314.57
5.3.250.0100.06014.55
5.3.240.0000.04314.42
5.3.230.0030.03714.53
5.3.220.0070.04014.54
5.3.210.0130.05314.46
5.3.200.0000.04714.51
5.3.190.0030.04014.46
5.3.180.0100.04714.38
5.3.170.0100.04014.38
5.3.160.0030.05314.55
5.3.150.0070.03714.35
5.3.140.0070.04014.50
5.3.130.0070.08014.45
5.3.120.0100.07014.64
5.3.110.0100.07714.44
5.3.100.0070.04013.95
5.3.90.0000.06313.95
5.3.80.0000.04313.94
5.3.70.0030.03713.96
5.3.60.0000.08013.93
5.3.50.0030.04313.88
5.3.40.0030.04313.76
5.3.30.0030.07313.84
5.3.20.0030.04713.61
5.3.10.0130.05013.48
5.3.00.0030.07013.73
5.2.170.0030.06311.09
5.2.160.0100.04011.07
5.2.150.0070.06011.04
5.2.140.0030.03011.04
5.2.130.0000.03311.20
5.2.120.0070.06711.01
5.2.110.0070.04011.11
5.2.100.0030.04711.10
5.2.90.0030.04310.96
5.2.80.0030.03711.08
5.2.70.0000.06711.06
5.2.60.0000.05710.97
5.2.50.0100.03710.83
5.2.40.0130.03310.93
5.2.30.0030.03010.87
5.2.20.0030.06010.96
5.2.10.0030.06310.71
5.2.00.0070.03010.70
5.1.60.0030.0379.98
5.1.50.0070.0409.96
5.1.40.0030.0479.93
5.1.30.0030.03710.34
5.1.20.0070.03310.34
5.1.10.0000.04010.01
5.1.00.0070.0509.96
5.0.50.0000.0408.53
5.0.40.0100.0378.32
5.0.30.0000.0708.20
5.0.20.0070.0378.21
5.0.10.0030.0478.14
5.0.00.0030.0508.11
4.4.90.0030.0377.00
4.4.80.0030.0337.00
4.4.70.0000.0377.00
4.4.60.0000.0207.00
4.4.50.0030.0407.00
4.4.40.0000.0477.00
4.4.30.0070.0207.00
4.4.20.0070.0337.00
4.4.10.0000.0407.00
4.4.00.0070.0507.00
4.3.110.0000.0377.00
4.3.100.0000.0337.00
4.3.90.0030.0337.00
4.3.80.0070.0437.00
4.3.70.0030.0207.00
4.3.60.0000.0337.00
4.3.50.0000.0307.00
4.3.40.0030.0507.00
4.3.30.0000.0207.00
4.3.20.0000.0377.00
4.3.10.0000.0277.00
4.3.00.0030.0277.00

preferences:
41.15 ms | 400 KiB | 5 Q