3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('#[^a-z0-9]#','','it_was');

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)
8.3.60.0140.00718.43
8.3.50.0040.01118.18
8.3.40.0060.01518.83
8.3.30.0090.00919.14
8.3.20.0040.00420.25
8.3.10.0060.00321.77
8.3.00.0040.00419.14
8.2.180.0110.00416.50
8.2.170.0140.00722.96
8.2.160.0100.00320.43
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00021.01
8.2.110.0070.00320.97
8.2.100.0120.00017.84
8.2.90.0060.00318.22
8.2.80.0080.00018.09
8.2.70.0000.00817.93
8.2.60.0000.00817.68
8.2.50.0080.00018.10
8.2.40.0030.00619.13
8.2.30.0030.00519.32
8.2.20.0020.00517.69
8.2.10.0030.00518.00
8.2.00.0080.00017.77
8.1.280.0080.00825.92
8.1.270.0040.00418.82
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0000.01023.79
8.1.230.0030.00922.68
8.1.220.0000.00817.74
8.1.210.0030.00618.83
8.1.200.0000.00817.25
8.1.190.0060.00317.23
8.1.180.0030.00718.10
8.1.170.0000.00818.59
8.1.160.0000.00718.82
8.1.150.0040.00418.77
8.1.140.0050.00317.32
8.1.130.0050.00317.77
8.1.120.0070.00017.47
8.1.110.0090.00017.52
8.1.100.0000.00717.52
8.1.90.0040.00417.45
8.1.80.0040.00417.39
8.1.70.0030.00317.43
8.1.60.0050.00317.62
8.1.50.0030.00517.54
8.1.40.0050.00317.45
8.1.30.0050.00317.62
8.1.20.0040.00417.65
8.1.10.0000.00817.62
8.1.00.0000.00817.48
8.0.300.0030.00619.99
8.0.290.0040.00416.75
8.0.280.0040.00418.32
8.0.270.0030.00317.20
8.0.260.0060.00017.19
8.0.250.0000.00917.04
8.0.240.0060.00017.02
8.0.230.0000.00716.94
8.0.220.0030.00316.79
8.0.210.0070.00016.88
8.0.200.0030.00316.96
8.0.190.0000.00716.82
8.0.180.0070.00016.92
8.0.170.0040.00416.94
8.0.160.0030.00316.86
8.0.150.0030.00516.93
8.0.140.0050.00216.88
8.0.130.0060.00013.31
8.0.120.0000.00716.86
8.0.110.0000.00716.81
8.0.100.0000.00716.88
8.0.90.0030.00316.96
8.0.80.0090.00616.88
8.0.70.0000.00716.77
8.0.60.0040.00416.89
8.0.50.0040.00416.95
8.0.30.0120.00817.33
8.0.20.0150.01117.40
8.0.10.0000.00717.05
8.0.00.0080.01016.85
7.4.330.0050.00015.03
7.4.320.0000.00616.69
7.4.300.0060.00016.59
7.4.290.0040.00416.55
7.4.280.0080.00016.58
7.4.270.0030.00316.67
7.4.260.0040.00416.64
7.4.250.0040.00416.39
7.4.240.0060.00116.62
7.4.230.0040.00416.48
7.4.220.0040.01416.59
7.4.210.0100.00716.66
7.4.200.0070.00016.42
7.4.160.0050.01016.38
7.4.150.0030.01317.40
7.4.140.0060.01117.86
7.4.130.0100.00916.46
7.4.120.0080.00816.61
7.4.110.0030.01416.46
7.4.100.0120.00916.61
7.4.90.0110.00616.48
7.4.80.0140.00719.39
7.4.70.0070.01016.50
7.4.60.0100.00616.71
7.4.50.0040.00416.70
7.4.40.0130.00916.68
7.4.30.0070.01016.68
7.4.00.0060.00914.87
7.3.330.0020.00213.22
7.3.320.0000.00613.10
7.3.310.0000.00716.33
7.3.300.0070.00016.29
7.3.290.0030.00316.30
7.3.280.0050.01416.31
7.3.270.0090.01617.40
7.3.260.0090.00716.49
7.3.250.0070.01316.30
7.3.240.0080.00916.41
7.3.230.0100.00716.39
7.3.210.0090.00616.58
7.3.200.0080.00819.39
7.3.190.0060.00916.56
7.3.180.0030.01316.37
7.3.170.0100.00616.29
7.3.160.0060.01216.55
7.3.10.0120.00416.71
7.3.00.0110.01116.54
7.2.330.0100.00716.54
7.2.320.0070.01116.58
7.2.310.0060.01016.58
7.2.300.0150.00616.74
7.2.290.0100.00616.52
7.2.130.0040.01216.45
7.2.120.0160.01016.77
7.2.110.0090.00916.71
7.2.100.0130.00316.86
7.2.90.0040.01216.67
7.2.80.0060.01216.85
7.2.70.0090.00916.93
7.2.60.0170.00316.83
7.2.50.0100.00716.84
7.2.40.0120.00516.55
7.2.30.0090.00416.81
7.2.20.0130.00616.98
7.2.10.0090.00717.01
7.2.00.0070.01217.97
7.1.250.0140.00315.71
7.1.100.0040.00718.14
7.1.70.0030.00517.20
7.1.60.0040.00819.57
7.1.50.0130.01017.13
7.1.00.0070.07322.34
7.0.200.0250.00216.89
7.0.140.0000.04322.09
7.0.60.0130.05019.93
7.0.50.0030.05017.83
7.0.40.0030.06020.32
7.0.30.0470.07320.11
7.0.20.0300.07320.19
7.0.10.0100.03720.02
7.0.00.0030.05020.05
5.6.280.0070.06720.98
5.6.210.0230.07020.64
5.6.200.0030.07318.12
5.6.190.0070.04720.61
5.6.180.0330.07320.46
5.6.170.0230.08020.37
5.6.160.0070.08320.46
5.6.150.0070.08018.22
5.6.140.0030.06318.18
5.6.130.0030.04318.18
5.6.120.0100.08021.04
5.6.110.0070.09020.98
5.6.100.0000.04321.13
5.6.90.0130.07720.98
5.6.80.0100.07720.40
5.5.350.0030.08020.30
5.5.340.0070.06318.02
5.5.330.0070.07320.25
5.5.320.0230.05320.29
5.5.310.0330.04020.29
5.5.300.0070.07717.89
5.5.290.0100.03318.00
5.5.280.0000.07320.64
5.5.270.0070.05720.95
5.5.260.0330.05720.66
5.5.250.0130.08320.49
5.5.240.0300.07020.25
5.4.450.0670.05719.52
5.4.440.0670.06319.46
5.4.430.0100.05319.48
5.4.420.0170.05019.46
5.4.410.0170.04719.33
5.4.400.0200.04019.13
5.4.390.0030.05719.14
5.4.380.0800.05318.49
5.4.370.0870.05018.46
5.4.360.0830.05018.61
5.4.350.1000.05018.46
5.4.340.0970.05718.70
5.4.320.0970.04718.79
5.4.310.1030.05018.68
5.4.300.1030.03718.48
5.4.290.0970.04318.46
5.4.280.0930.05018.61
5.4.270.0800.05318.52
5.4.260.0800.05318.55
5.4.250.0800.05318.74
5.4.240.0930.05318.52
5.4.230.0900.05018.63
5.4.220.0930.05018.64
5.4.210.0870.05318.73
5.4.200.1030.07016.51
5.4.190.0800.05718.66
5.4.180.0900.04718.76
5.4.170.0770.06018.51
5.4.160.0870.05318.75
5.4.150.0800.05718.50
5.4.140.0900.05716.14
5.4.130.0830.05016.09
5.4.120.0870.04316.07
5.4.110.0830.04316.07
5.4.100.0870.04016.35
5.4.90.0830.04316.35
5.4.80.0870.04316.29
5.4.70.0830.04716.29
5.4.60.0870.04316.13
5.4.50.0930.04316.27
5.4.40.0870.05316.21
5.4.30.0800.05316.21
5.4.20.0870.04716.11
5.4.10.0970.05316.05
5.4.00.0870.05015.61
5.3.290.0970.05014.73
5.3.280.0930.04714.54
5.3.270.0870.05714.60
5.3.260.0870.05714.50
5.3.250.0900.07014.55
5.3.240.0970.08314.59
5.3.230.0970.04314.50
5.3.220.0700.06314.56
5.3.210.0770.05314.64
5.3.200.0870.04714.56
5.3.190.0730.05714.59
5.3.180.0730.05714.55
5.3.170.0800.04714.64
5.3.160.0800.05014.49
5.3.150.1000.04714.49
5.3.140.0800.05014.46
5.3.130.0830.05014.52
5.3.120.0900.04314.57
5.3.110.0870.04714.54
5.3.100.0830.05014.09
5.3.90.0930.04714.09
5.3.80.0770.05313.96
5.3.70.0770.05313.93
5.3.60.0770.05313.89
5.3.50.0770.05013.93
5.3.40.0900.04313.85
5.3.30.0700.05313.87
5.3.20.0770.05013.60
5.3.10.0800.06013.63
5.3.00.1000.04713.61
5.2.170.0730.04011.28
5.2.160.0800.03711.19
5.2.150.0730.04311.18
5.2.140.0770.05311.05
5.2.130.0800.03311.05
5.2.120.0700.04311.04
5.2.110.0730.04011.16
5.2.100.0670.04711.13
5.2.90.0630.04311.23
5.2.80.0570.04711.05
5.2.70.0730.04011.07
5.2.60.0700.03711.03
5.2.50.0700.04710.97
5.2.40.0630.03010.97
5.2.30.0570.03710.90
5.2.20.0600.03311.00
5.2.10.0570.03710.95
5.2.00.0600.03310.71
5.1.60.0470.04010.02
5.1.50.0630.0309.96
5.1.40.0630.03010.02
5.1.30.0600.03310.37
5.1.20.0500.04310.44
5.1.10.0570.03710.18
5.1.00.0600.03310.11
5.0.50.0330.0278.54
5.0.40.0300.0278.46
5.0.30.0270.0478.30
5.0.20.0370.0208.17
5.0.10.0400.0308.30
5.0.00.0330.0508.28
4.4.90.0230.0275.91
4.4.80.0300.0205.88
4.4.70.0230.0275.89
4.4.60.0300.0205.88
4.4.50.0300.0205.88
4.4.40.0270.0335.91
4.4.30.0300.0235.88
4.4.20.0330.0205.94
4.4.10.0270.0335.96
4.4.00.0270.0335.91
4.3.110.0230.0235.85
4.3.100.0400.0275.82
4.3.90.0270.0205.79
4.3.80.0230.0375.89
4.3.70.0200.0305.79
4.3.60.0270.0235.91
4.3.50.0370.0135.83
4.3.40.0300.0305.78
4.3.30.0200.0174.56
4.3.20.0100.0274.58
4.3.10.0100.0274.48
4.3.00.0130.0206.90

preferences:
60.09 ms | 400 KiB | 5 Q