3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myString="abc"; echo (preg_match('/ /'," abc "));

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)
8.3.60.0100.01016.75
8.3.50.0100.00516.56
8.3.40.0040.01118.81
8.3.30.0070.00718.96
8.3.20.0080.00018.69
8.3.10.0050.00320.53
8.3.00.0040.00419.38
8.2.180.0070.01116.75
8.2.170.0110.00722.96
8.2.160.0070.00721.07
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0000.00819.50
8.2.110.0070.00321.18
8.2.100.0040.00817.91
8.2.90.0060.00319.19
8.2.80.0040.00419.39
8.2.70.0050.00317.88
8.2.60.0000.00817.79
8.2.50.0040.00418.07
8.2.40.0040.00418.09
8.2.30.0040.00418.01
8.2.20.0050.00217.84
8.2.10.0000.00817.80
8.2.00.0000.00917.74
8.1.280.0140.00025.92
8.1.270.0040.00424.66
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0060.00322.25
8.1.230.0080.00320.97
8.1.220.0040.00417.76
8.1.210.0070.00418.77
8.1.200.0000.00917.47
8.1.190.0020.00517.39
8.1.180.0030.00518.10
8.1.170.0070.00018.78
8.1.160.0070.00018.87
8.1.150.0030.00618.58
8.1.140.0000.00817.43
8.1.130.0030.00317.89
8.1.120.0020.00517.55
8.1.110.0050.00317.55
8.1.100.0020.00517.53
8.1.90.0000.00717.51
8.1.80.0040.00417.57
8.1.70.0030.00317.41
8.1.60.0040.00517.65
8.1.50.0000.00817.43
8.1.40.0040.00417.48
8.1.30.0050.00317.64
8.1.20.0000.00817.72
8.1.10.0040.00417.55
8.1.00.0040.00417.45
8.0.300.0050.00220.08
8.0.290.0000.00716.88
8.0.280.0040.00418.52
8.0.270.0040.00417.28
8.0.260.0080.00016.95
8.0.250.0040.00417.13
8.0.240.0000.00716.96
8.0.230.0070.00016.98
8.0.220.0030.00317.00
8.0.210.0050.00317.00
8.0.200.0000.00617.04
8.0.190.0000.00716.93
8.0.180.0080.00016.90
8.0.170.0000.00816.92
8.0.160.0030.00316.97
8.0.150.0040.00416.90
8.0.140.0030.00716.93
8.0.130.0000.00513.38
8.0.120.0040.00416.81
8.0.110.0040.00416.82
8.0.100.0020.00516.90
8.0.90.0000.00716.86
8.0.80.0070.01016.96
8.0.70.0040.00416.85
8.0.60.0070.00016.84
8.0.50.0020.00516.83
8.0.30.0130.00917.34
8.0.20.0110.00717.37
8.0.10.0050.00217.13
8.0.00.0090.01217.02
7.4.330.0020.00313.14
7.4.320.0060.00016.56
7.4.300.0030.00316.71
7.4.290.0000.00816.49
7.4.280.0040.00416.54
7.4.270.0040.00416.76
7.4.260.0000.00613.49
7.4.250.0060.00316.73
7.4.240.0000.00716.54
7.4.230.0030.00516.67
7.4.220.0100.01016.60
7.4.210.0090.00816.76
7.4.200.0000.00716.74
7.4.190.0050.00316.79
7.4.160.0190.00316.63
7.4.150.0070.01116.69
7.4.140.0080.00816.63
7.4.130.0150.00316.42
7.4.120.0060.01216.55
7.4.110.0220.00016.70
7.4.100.0090.00916.57
7.4.90.0110.00616.75
7.4.80.0070.01119.39
7.4.70.0060.01616.84
7.4.60.0060.01316.57
7.4.50.0000.00516.29
7.4.40.0030.01216.71
7.4.30.0050.01016.59
7.4.00.0000.01215.07
7.3.330.0030.00313.25
7.3.320.0030.00313.09
7.3.310.0040.00416.13
7.3.300.0000.00716.28
7.3.290.0100.01016.22
7.3.280.0070.00916.29
7.3.270.0120.01216.66
7.3.260.0140.00316.73
7.3.250.0120.00516.53
7.3.240.0130.00816.29
7.3.230.0110.00516.50
7.3.210.0090.00916.27
7.3.200.0070.01016.25
7.3.190.0110.00616.38
7.3.180.0090.00616.54
7.3.170.0050.01116.30
7.3.160.0100.00616.67
7.3.120.0040.00815.04
7.2.330.0070.01316.59
7.2.320.0100.00616.70
7.2.310.0210.00316.64
7.2.300.0060.01016.59
7.2.290.0070.01016.68
7.2.00.0000.01419.14
7.1.200.0070.00415.99
7.1.100.0030.01018.24
7.1.70.0000.01017.11
7.1.60.0110.01419.40
7.1.50.0030.01016.70
7.1.00.0070.03322.29
7.0.200.0030.00316.72
7.0.140.0070.06721.97
7.0.120.0030.07022.08
7.0.60.0100.06319.78
7.0.50.0070.04317.89
7.0.40.0130.07020.42
7.0.30.0330.06020.20
7.0.20.0230.05320.18
7.0.10.0170.04020.18
7.0.00.0070.07020.17
5.6.280.0000.07720.81
5.6.210.0000.06720.66
5.6.200.0130.08018.16
5.6.190.0030.09020.62
5.6.180.0270.06020.45
5.6.170.0200.04020.62
5.6.160.0200.07020.44
5.6.150.0070.03718.09
5.6.140.0070.08018.20
5.6.130.0070.08718.21
5.6.120.0030.05021.04
5.6.110.0070.09021.03
5.6.100.0070.08020.96
5.6.90.0070.05321.01
5.6.80.0130.07320.41
5.6.70.4470.03720.36
5.5.350.0300.08020.40
5.5.340.0030.05718.02
5.5.330.0100.07720.29
5.5.320.0100.05020.21
5.5.310.0200.06020.21
5.5.300.0070.04717.94
5.5.290.0100.07717.98
5.5.280.0170.05720.79
5.5.270.0000.09320.94
5.5.260.0070.06720.87
5.5.250.0200.06320.65
5.5.240.0070.03320.14
5.4.450.0030.05019.47
5.4.440.0070.04719.40
5.4.430.0130.07719.13
5.4.420.0030.04019.48
5.4.410.0000.05718.98
5.4.400.0000.04319.12
5.4.390.0070.04019.07
5.4.380.0100.04318.92
5.4.370.0070.06319.16
5.4.360.0100.06719.18
5.4.350.0070.06719.18
5.4.340.0070.07318.91
5.4.320.0030.06718.79
5.4.310.0030.03719.13
5.4.300.0130.06719.09
5.4.290.0100.06719.16
5.4.280.0070.07719.17
5.4.270.0100.04019.07
5.4.260.0030.06018.78
5.4.250.0000.05019.00
5.4.240.0070.07718.80
5.4.230.0130.06018.80
5.4.220.0070.08019.17
5.4.210.0100.07319.13
5.4.200.0070.04319.00
5.4.190.0000.04018.90
5.4.180.0030.03719.16
5.4.170.0030.04019.16
5.4.160.0030.03718.75
5.4.150.0030.03718.89
5.4.140.0000.04316.17
5.4.130.0070.03016.35
5.4.120.0030.03316.16
5.4.110.0030.04316.37
5.4.100.0000.04016.41
5.4.90.0100.03016.34
5.4.80.0030.04016.42
5.4.70.0070.03016.39
5.4.60.0030.03316.30
5.4.50.0100.02716.34
5.4.40.0000.03716.21
5.4.30.0070.03316.34
5.4.20.0000.04316.37
5.4.10.0070.03016.38
5.4.00.0000.03715.71
5.3.290.0070.05314.63
5.3.280.0130.07314.38
5.3.270.0030.03714.63
5.3.260.0030.04014.53
5.3.250.0100.03014.56
5.3.240.0000.04014.44
5.3.230.0100.03014.52
5.3.220.0070.03314.49
5.3.210.0000.04014.65
5.3.200.0030.03714.48
5.3.190.0030.03714.48
5.3.180.0070.03314.50
5.3.170.0030.03714.48
5.3.160.0100.03014.49
5.3.150.0000.03714.48
5.3.140.0030.03714.48
5.3.130.0000.05014.46
5.3.120.0030.03714.38
5.3.110.0030.03714.47
5.3.100.0000.04013.96
5.3.90.0000.04314.01
5.3.80.0030.03313.95
5.3.70.0000.03713.83
5.3.60.0070.03013.94
5.3.50.0000.03713.87
5.3.40.0000.03714.03
5.3.30.0000.03713.84
5.3.20.0000.03713.52
5.3.10.0030.03313.62
5.3.00.0000.03713.56
5.2.170.0000.03011.09
5.2.160.0030.02711.22
5.2.150.0030.02711.22
5.2.140.0000.03011.07
5.2.130.0000.03310.95
5.2.120.0030.02711.03
5.2.110.0000.03011.08
5.2.100.0100.02011.25
5.2.90.0030.02711.04
5.2.80.0030.02711.07
5.2.70.0030.02710.98
5.2.60.0000.03010.86
5.2.50.0000.03010.92
5.2.40.0100.02310.87
5.2.30.0000.03010.96
5.2.20.0000.05710.90
5.2.10.0030.06010.86
5.2.00.0000.06010.70
5.1.60.0070.0239.97
5.1.50.0000.04310.13
5.1.40.0030.02710.03
5.1.30.0030.02710.37
5.1.20.0030.03710.40
5.1.10.0070.05310.01
5.1.00.0000.02710.03
5.0.50.0000.0378.60
5.0.40.0030.0408.31
5.0.30.0030.0538.35
5.0.20.0070.0278.32
5.0.10.0100.0338.22
5.0.00.0070.0608.11
4.4.90.0030.0137.91
4.4.80.0000.0137.91
4.4.70.0000.0277.91
4.4.60.0030.0177.91
4.4.50.0000.0277.91
4.4.40.0070.0377.91
4.4.30.0000.0277.91
4.4.20.0100.0077.91
4.4.10.0000.0307.91
4.4.00.0030.0307.91
4.3.110.0000.0337.91
4.3.100.0030.0377.91
4.3.90.0030.0337.91
4.3.80.0030.0437.91
4.3.70.0030.0307.91
4.3.60.0030.0277.91
4.3.50.0000.0277.91
4.3.40.0030.0407.91
4.3.30.0000.0277.91
4.3.20.0000.0207.91
4.3.10.0030.0377.91
4.3.00.0000.0377.91

preferences:
43.55 ms | 401 KiB | 5 Q