3v4l.org

run code in 300+ PHP versions simultaneously
<?php strlen(preg_replace("/[^A-Za-z0-9]/", '', "\u00a0\ufeff"));

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)
8.3.40.0060.00918.84
8.3.30.0070.00719.02
8.3.20.0040.00420.21
8.3.10.0000.00821.77
8.3.00.0080.00017.68
8.2.170.0170.00322.96
8.2.160.0060.00620.39
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00317.38
8.2.110.0080.00419.34
8.2.100.0090.00317.63
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0000.01117.63
8.2.60.0040.00417.78
8.2.50.0060.00618.07
8.2.40.0060.00319.46
8.2.30.0000.00720.52
8.2.20.0040.00417.76
8.2.10.0040.00418.01
8.2.00.0040.00417.95
8.1.270.0000.00822.20
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00320.78
8.1.230.0080.00417.53
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.78
8.1.160.0040.00421.88
8.1.150.0000.00718.66
8.1.140.0030.00517.51
8.1.130.0040.00417.53
8.1.120.0030.00317.49
8.1.110.0040.00417.40
8.1.100.0030.00617.38
8.1.90.0030.00517.57
8.1.80.0040.00417.46
8.1.70.0050.00217.36
8.1.60.0000.00717.50
8.1.50.0040.00417.52
8.1.40.0060.00317.48
8.1.30.0050.00317.63
8.1.20.0040.00417.59
8.1.10.0000.00717.56
8.1.00.0000.00817.46
8.0.300.0030.00618.77
8.0.290.0000.00716.75
8.0.280.0030.00318.35
8.0.270.0030.00317.14
8.0.260.0070.00316.82
8.0.250.0040.00417.02
8.0.240.0070.00016.96
8.0.230.0060.00316.99
8.0.220.0030.00316.97
8.0.210.0020.00516.93
8.0.200.0000.00816.88
8.0.190.0000.00816.99
8.0.180.0020.00516.86
8.0.170.0090.00016.92
8.0.160.0030.00316.98
8.0.150.0040.00416.96
8.0.140.0030.00416.91
8.0.130.0030.00313.37
8.0.120.0000.00716.90
8.0.110.0000.00716.89
8.0.100.0050.00316.86
8.0.90.0000.00716.78
8.0.80.0080.00816.91
8.0.70.0080.00016.72
8.0.60.0000.00716.96
8.0.50.0030.00516.78
8.0.30.0090.00917.22
8.0.20.0100.00917.40
8.0.10.0000.00717.05
8.0.00.0050.01416.84
7.4.330.0000.00615.08
7.4.320.0000.00616.51
7.4.300.0000.00616.52
7.4.290.0070.00016.51
7.4.280.0030.00716.57
7.4.270.0070.00016.43
7.4.260.0070.00016.57
7.4.250.0000.00716.50
7.4.240.0020.00516.68
7.4.230.0000.00716.79
7.4.220.0140.00716.57
7.4.210.0090.00616.75
7.4.200.0030.00316.43
7.4.160.0090.00616.46
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0090.01516.46
7.4.120.0050.01216.57
7.4.110.0070.01116.55
7.4.100.0090.00916.44
7.4.90.0140.00616.60
7.4.80.0130.00719.39
7.4.70.0100.00716.55
7.4.60.0070.01316.50
7.4.50.0000.00816.80
7.4.40.0150.00316.49
7.4.30.0100.01216.54
7.4.00.0000.01314.74
7.3.330.0060.00013.14
7.3.320.0000.00513.07
7.3.310.0000.00716.22
7.3.300.0030.00316.27
7.3.290.0100.00916.30
7.3.280.0080.01116.27
7.3.270.0090.00917.40
7.3.260.0140.01016.24
7.3.250.0090.00916.56
7.3.240.0060.01016.41
7.3.230.0120.00716.39
7.3.210.0130.00416.73
7.3.200.0120.00416.53
7.3.190.0070.01016.52
7.3.180.0090.00616.32
7.3.170.0170.00716.35
7.3.160.0090.00616.25
7.2.330.0100.01016.61
7.2.320.0100.01316.77
7.2.310.0030.01316.46
7.2.300.0060.00916.61
7.2.290.0030.01316.77
7.2.00.0060.00619.20
7.1.100.0070.00718.09
7.1.70.0030.00517.02
7.1.60.0110.00419.20
7.1.50.0100.01317.04
7.1.00.0070.07322.43
7.0.200.0040.00416.49
7.0.60.0100.06719.82
7.0.50.0070.08317.91
7.0.40.0100.06320.26
7.0.30.0230.06020.26
7.0.20.0300.07720.23
7.0.10.0100.05020.01
7.0.00.0100.07320.18
5.6.280.0030.07020.91
5.6.210.0230.07020.74
5.6.200.0030.06018.13
5.6.190.0030.06320.33
5.6.180.0330.07320.34
5.6.170.0270.06320.37
5.6.160.0100.03720.50
5.6.150.0070.06318.21
5.6.140.0030.04318.13
5.6.130.0100.07718.20
5.6.120.0170.07321.05
5.6.110.0070.07721.01
5.6.100.0030.07720.97
5.6.90.0200.07020.87
5.6.80.0030.04720.36
5.5.350.0100.07320.34
5.5.340.0030.08017.89
5.5.330.0100.08020.19
5.5.320.3400.03720.17
5.5.310.0230.05720.13
5.5.300.0030.08317.98
5.5.290.0100.03317.96
5.5.280.0100.04020.84
5.5.270.0170.07320.86
5.5.260.0070.03720.96
5.5.250.0030.07020.67
5.5.240.0030.05020.06
5.4.450.3200.04319.42
5.4.440.2700.04319.42
5.4.430.3030.04319.20
5.4.420.2970.03719.24
5.4.410.3300.04019.45
5.4.400.2770.03318.90
5.4.390.3200.05019.09
5.4.380.3300.03719.08
5.4.370.2970.04019.24
5.4.360.3230.04018.91
5.4.350.3630.03719.09
5.4.340.3270.04318.78
5.4.320.3100.03319.22
5.4.310.3370.04019.13
5.4.300.3630.04019.08
5.4.290.3330.03319.23
5.4.280.3570.04318.91
5.4.270.3170.03718.79
5.4.260.3770.04319.13
5.4.250.2930.03718.91
5.4.240.3370.04019.05
5.4.230.2730.03718.89
5.4.220.0200.04019.09
5.4.210.0170.03719.24
5.4.200.0500.04019.07
5.4.190.0200.03018.87
5.4.180.0230.03018.79
5.4.170.0100.04318.87
5.4.160.0130.04019.23
5.4.150.0170.04719.11
5.4.140.0230.03716.45
5.4.130.0200.04016.49
5.4.120.0200.03716.16
5.4.110.0200.03316.46
5.4.100.0200.03316.43
5.4.90.0130.03716.43
5.4.80.0300.06716.37

preferences:
49.21 ms | 400 KiB | 5 Q