3v4l.org

run code in 300+ PHP versions simultaneously
<?php $url = 'test123'; print_r(preg_replace('test', 'foo', $url)); print_r($url);

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)
8.3.60.0070.00718.14
8.3.50.0180.00220.96
8.3.40.0080.00818.71
8.3.30.0070.00718.82
8.3.20.0040.00420.31
8.3.10.0070.00021.77
8.3.00.0040.00419.56
8.2.180.0070.01116.50
8.2.170.0130.00318.86
8.2.160.0080.00622.96
8.2.150.0060.00324.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00019.54
8.2.110.0040.00422.07
8.2.100.0040.00817.72
8.2.90.0000.00719.23
8.2.80.0000.00817.97
8.2.70.0000.00917.50
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0080.00019.66
8.2.30.0040.00418.05
8.2.20.0050.00217.63
8.2.10.0000.00717.94
8.2.00.0020.00517.93
8.1.280.0060.00925.92
8.1.270.0120.00620.35
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.84
8.1.230.0040.00719.10
8.1.220.0050.00217.74
8.1.210.0030.00518.77
8.1.200.0080.00017.13
8.1.190.0040.00417.40
8.1.180.0070.00618.10
8.1.170.0060.00618.48
8.1.160.0030.00321.94
8.1.150.0030.00518.54
8.1.140.0070.00017.36
8.1.130.0000.00717.72
8.1.120.0000.00717.33
8.1.110.0040.00417.38
8.1.100.0040.00417.39
8.1.90.0050.00317.32
8.1.80.0000.00817.40
8.1.70.0030.00317.20
8.1.60.0030.00617.47
8.1.50.0050.00317.31
8.1.40.0000.00817.43
8.1.30.0030.00517.57
8.1.20.0000.00717.41
8.1.10.0040.00417.31
8.1.00.0000.00717.36
8.0.300.0080.00018.77
8.0.290.0040.00417.16
8.0.280.0000.00718.32
8.0.270.0060.00317.13
8.0.260.0030.00317.18
8.0.250.0000.00616.84
8.0.240.0040.00416.83
8.0.230.0050.00316.86
8.0.220.0030.00316.95
8.0.210.0040.00416.78
8.0.200.0000.00616.80
8.0.190.0040.00416.92
8.0.180.0000.00716.94
8.0.170.0070.00016.91
8.0.160.0000.00716.84
8.0.150.0030.00316.87
8.0.140.0000.00816.72
8.0.130.0000.00613.34
8.0.120.0040.00416.86
8.0.110.0070.00016.90
8.0.100.0040.00416.86
8.0.90.0060.00316.74
8.0.80.0070.00716.91
8.0.70.0050.00316.91
8.0.60.0070.00016.84
8.0.50.0040.00416.89
8.0.30.0050.01217.13
8.0.20.0130.00517.40
8.0.10.0040.00417.06
8.0.00.0080.01016.48
7.4.330.0000.00615.03
7.4.320.0070.00016.53
7.4.300.0000.00616.41
7.4.290.0030.00316.37
7.4.280.0040.00416.36
7.4.270.0060.00016.51
7.4.260.0030.00316.45
7.4.250.0000.00716.30
7.4.240.0000.00716.55
7.4.230.0030.00416.40
7.4.220.0060.01216.52
7.4.210.0060.00916.59
7.4.200.0030.00316.61
7.4.160.0120.00316.51
7.4.150.0200.00617.40
7.4.140.0100.00717.86
7.4.130.0140.00616.37
7.4.120.0140.00616.32
7.4.110.0140.01016.58
7.4.100.0170.00316.20
7.4.90.0040.01416.61
7.4.80.0100.00619.39
7.4.70.0140.00316.44
7.4.60.0110.00416.31
7.4.50.0050.00016.65
7.4.40.0000.01616.50
7.4.30.0070.01016.54
7.4.00.0060.00614.70
7.3.330.0060.00013.08
7.3.320.0030.00613.03
7.3.310.0040.00416.25
7.3.300.0070.00016.18
7.3.290.0070.00916.17
7.3.280.0110.00516.24
7.3.270.0080.00817.40
7.3.260.0140.01016.13
7.3.250.0120.00616.38
7.3.240.0100.01016.11
7.3.230.0120.01216.39
7.3.210.0090.00916.27
7.3.200.0070.01016.56
7.3.190.0060.01016.25
7.3.180.0170.00416.45
7.3.170.0060.00916.30
7.3.160.0060.01516.51
7.2.330.0070.01016.24
7.2.320.0110.00616.27
7.2.310.0130.00316.54
7.2.300.0110.00616.47
7.2.290.0170.00016.60
7.2.60.0100.00316.49
7.2.00.0030.01319.18
7.1.200.0070.00715.34
7.1.100.0050.00517.95
7.1.70.0040.00417.23
7.1.60.0140.01019.86
7.1.50.0100.01016.83
7.1.00.0070.07322.48
7.0.200.0030.00316.73
7.0.60.0070.06319.86
7.0.50.0070.07717.88
7.0.40.0070.08720.05
7.0.30.0600.06320.04
7.0.20.0330.07320.30
7.0.10.0430.06720.18
7.0.00.0100.04720.13
5.6.210.0070.07020.46
5.6.200.0070.08318.23
5.6.190.0070.08720.67
5.6.180.3600.04320.39
5.6.170.0330.05320.33
5.6.160.0070.08320.52
5.6.150.0100.08018.21
5.6.140.0030.08018.21
5.6.130.0100.07718.21
5.6.120.0030.07721.14
5.6.110.0170.07721.08
5.6.100.0100.08720.97
5.6.90.0130.07021.04
5.6.80.0030.08320.48
5.6.70.1030.03020.35
5.5.350.0230.04720.31
5.5.340.0070.05018.02
5.5.330.0100.07720.56
5.5.320.0230.04020.34
5.5.310.0270.07020.13
5.5.300.0030.08317.87
5.5.290.0000.06018.02
5.5.280.0030.09020.72
5.5.270.0100.06720.63
5.5.260.0030.04020.86
5.5.250.0070.05320.57
5.5.240.0100.07320.12
5.4.450.0870.06319.24
5.4.440.1100.04019.42
5.4.430.0170.04319.25
5.4.420.0100.05319.13
5.4.410.0070.06718.69
5.4.400.0100.05018.75
5.4.390.0070.05318.66
5.4.380.0070.05718.79
5.4.370.0070.05318.64
5.4.360.0130.04718.68
5.4.350.0200.04318.56
5.4.340.0000.06318.73
5.4.320.0100.05318.55
5.4.310.0130.04718.67
5.4.300.0200.04018.45
5.4.290.0100.05018.46
5.4.280.0130.04718.49
5.4.270.0070.07318.67
5.4.260.0100.06318.60
5.4.250.0070.05318.69
5.4.240.0100.05318.63
5.4.230.0070.05318.60
5.4.220.0070.05718.44
5.4.210.0100.05318.61
5.4.200.0170.05316.62
5.4.190.0070.05718.70
5.4.180.0130.04718.57
5.4.170.0070.05318.54
5.4.160.0030.05718.75
5.4.150.0170.05018.56
5.4.140.0070.05316.11
5.4.130.0030.05316.30
5.4.120.0170.04316.06
5.4.110.0170.04016.25
5.4.100.0000.07716.34
5.4.90.0070.05316.14
5.4.80.0070.05316.14
5.4.70.0200.05716.23
5.4.60.0070.05016.13
5.4.50.0070.05316.28
5.4.40.0070.05316.28
5.4.30.0030.05316.26
5.4.20.0000.06016.22
5.4.10.0130.05016.05
5.4.00.0030.05715.70
5.3.290.0070.05714.57
5.3.280.0130.05014.55
5.3.270.0100.05014.49
5.3.260.0230.06014.53
5.3.250.0100.05014.71
5.3.240.0070.05314.60
5.3.230.0000.06714.68
5.3.220.0130.05014.51
5.3.210.0070.05714.64
5.3.200.0130.04714.52
5.3.190.0100.05014.55
5.3.180.0100.05014.50
5.3.170.0170.04314.63
5.3.160.0070.05314.59
5.3.150.0170.04314.63
5.3.140.0130.05014.55
5.3.130.0170.05014.64
5.3.120.0100.05014.52
5.3.110.0130.04714.58
5.3.100.0170.04313.95
5.3.90.0000.06014.11
5.3.80.0030.05713.99
5.3.70.0070.05313.99
5.3.60.0200.04013.97
5.3.50.0170.04714.04
5.3.40.0070.05313.97
5.3.30.0000.05713.88
5.3.20.0070.05013.77
5.3.10.0070.05313.77
5.3.00.0130.04713.58
5.2.170.0130.03311.07
5.2.160.0070.04011.29
5.2.150.0100.04011.05
5.2.140.0000.04711.14
5.2.130.0070.03711.09
5.2.120.0070.04711.15
5.2.110.0100.03711.03
5.2.100.0070.04011.14
5.2.90.0070.04011.23
5.2.80.0070.04011.09
5.2.70.0000.04711.09
5.2.60.0100.03711.02
5.2.50.0070.04311.16
5.2.40.0070.04011.13
5.2.30.0030.04711.01
5.2.20.0070.04310.94
5.2.10.0000.04710.86
5.2.00.0070.04010.80
5.1.60.0030.0379.95
5.1.50.0100.0309.99
5.1.40.0130.02710.07
5.1.30.0070.03310.44
5.1.20.0130.03010.49
5.1.10.0030.03710.08
5.1.00.0000.04010.09
5.0.50.0000.0338.66
5.0.40.0070.0278.44
5.0.30.0000.0478.34
5.0.20.0000.0308.21
5.0.10.0000.0308.18
5.0.00.0000.0438.20
4.4.90.0000.0235.95
4.4.80.0000.0235.90
4.4.70.0000.0275.89
4.4.60.0100.0205.89
4.4.50.0030.0205.90
4.4.40.0030.0375.90
4.4.30.0030.0205.92
4.4.20.0000.0275.99
4.4.10.0000.0235.91
4.4.00.0100.0275.92
4.3.110.0000.0235.79
4.3.100.0000.0235.75
4.3.90.0000.0275.80
4.3.80.0100.0275.78
4.3.70.0070.0175.79
4.3.60.0000.0275.87
4.3.50.0100.0235.81
4.3.40.0070.0305.78
4.3.30.0000.0234.67
4.3.20.0030.0204.54
4.3.10.0000.0234.57
4.3.00.0200.03015.52

preferences:
63.44 ms | 401 KiB | 5 Q