3v4l.org

run code in 300+ PHP versions simultaneously
<? $x = "jasldfns"; $i = strlen($x); echo preg_match('~[0-9a-zA-Z]{$i}~', $x); ?>

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)
8.3.60.0000.01418.18
8.3.50.0150.00721.07
8.3.40.0100.00318.72
8.3.30.0200.00018.96
8.3.20.0080.00020.09
8.3.10.0070.00023.66
8.3.00.0030.00519.25
8.2.180.0090.00616.63
8.2.170.0120.00322.96
8.2.160.0030.01020.52
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00022.18
8.2.110.0070.00322.17
8.2.100.0090.00317.63
8.2.90.0040.00419.28
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0030.00518.07
8.2.40.0030.00619.75
8.2.30.0000.00717.90
8.2.20.0030.00517.54
8.2.10.0050.00217.94
8.2.00.0000.00717.46
8.1.280.0090.00625.92
8.1.270.0080.00023.70
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.96
8.1.230.0110.00019.14
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0060.00316.98
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0050.00318.51
8.1.160.0000.00721.86
8.1.150.0000.00718.62
8.1.140.0030.00517.36
8.1.130.0030.00317.66
8.1.120.0070.00017.35
8.1.110.0000.00717.29
8.1.100.0030.00517.24
8.1.90.0040.00417.36
8.1.80.0030.00317.35
8.1.70.0030.00317.20
8.1.60.0000.01117.35
8.1.50.0000.00817.37
8.1.40.0000.00817.36
8.1.30.0060.00317.41
8.1.20.0000.00717.54
8.1.10.0000.00817.39
8.1.00.0070.00017.25
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0070.00017.12
8.0.260.0030.00317.18
8.0.250.0070.00016.86
8.0.240.0030.00316.68
8.0.230.0000.00716.79
8.0.220.0030.00316.73
8.0.210.0070.00016.79
8.0.200.0060.00016.72
8.0.190.0030.00516.79
8.0.180.0040.00416.68
8.0.170.0090.00016.83
8.0.160.0020.00516.73
8.0.150.0000.00816.61
8.0.140.0030.00316.77
8.0.130.0030.00313.37
8.0.120.0000.00816.73
8.0.110.0050.00316.58
8.0.100.0000.00716.57
8.0.90.0040.00416.56
8.0.80.0060.01016.75
8.0.70.0000.00716.78
8.0.60.0000.00816.55
8.0.50.0000.00816.68
8.0.30.0100.00917.01
8.0.20.0090.01017.40
8.0.10.0030.00516.75
8.0.00.0130.00616.62
7.4.330.0020.00215.02
7.4.320.0030.00316.47
7.4.300.0030.00316.36
7.4.290.0000.00616.38
7.4.280.0040.00816.36
7.4.270.0030.00316.39
7.4.260.0030.00316.30
7.4.250.0040.00416.43
7.4.240.0040.00316.44
7.4.230.0000.00716.49
7.4.220.0060.01216.50
7.4.210.0090.00616.46
7.4.200.0070.00016.57
7.4.160.0000.01516.61
7.4.150.0140.00617.40
7.4.140.0090.01117.86
7.4.130.0080.00916.44
7.4.120.0080.00816.45
7.4.110.0060.01216.28
7.4.100.0030.01416.37
7.4.90.0070.01016.30
7.4.80.0070.01019.39
7.4.70.0140.00616.59
7.4.60.0100.01016.44
7.4.50.0040.00016.24
7.4.40.0070.01016.15
7.4.30.0120.00416.42
7.4.00.0030.01414.90
7.3.330.0030.00313.09
7.3.320.0000.00513.27
7.3.310.0030.00316.19
7.3.300.0000.00715.97
7.3.290.0120.00416.16
7.3.280.0090.00716.09
7.3.270.0060.01117.40
7.3.260.0130.00316.08
7.3.250.0070.01216.33
7.3.240.0120.00616.13
7.3.230.0060.01016.39
7.3.210.0090.01216.40
7.3.200.0070.01019.39
7.3.190.0130.01016.39
7.3.180.0150.00016.34
7.3.170.0060.00916.27
7.3.160.0060.01116.24
7.3.10.0130.00317.01
7.3.00.0000.01316.93
7.2.330.0090.00916.37
7.2.320.0060.01216.29
7.2.310.0060.01016.63
7.2.300.0120.01216.51
7.2.290.0050.01416.43
7.2.130.0070.00716.79
7.2.120.0090.00617.00
7.2.110.0060.00616.82
7.2.100.0040.01116.97
7.2.90.0030.00717.00
7.2.80.0030.01316.93
7.2.70.0110.00416.97
7.2.60.0070.00816.86
7.2.50.0090.00616.74
7.2.40.0070.00717.00
7.2.30.0100.00316.92
7.2.20.0000.01516.81
7.2.10.0060.01216.93
7.2.00.0050.01118.09
7.1.250.0070.00716.06
7.1.200.0090.00316.01
7.1.100.0040.00718.18
7.1.70.0030.00617.34
7.1.60.0070.01819.11
7.1.50.0100.00717.22
7.1.00.0000.08022.32
7.0.200.0000.01016.83
7.0.140.0030.07322.21
7.0.60.0030.08321.61
7.0.50.0000.05017.82
7.0.40.0230.03720.26
7.0.30.0400.07720.26
7.0.20.0330.04320.05
7.0.10.0030.07320.19
7.0.00.0170.06720.02
5.6.280.0030.07321.03
5.6.210.0100.05720.70
5.6.200.0030.05718.10
5.6.190.0030.04320.77
5.6.180.0300.06320.45
5.6.170.0200.08320.47
5.6.160.0070.05720.47
5.6.150.0070.06718.12
5.6.140.0130.07318.08
5.6.130.0070.08318.18
5.6.120.0130.07721.04
5.6.110.0130.07021.08
5.6.100.0100.08021.10
5.6.90.0070.08321.09
5.6.80.0230.07020.36
5.5.350.0170.07020.33
5.5.340.0130.06017.98
5.5.330.0070.04320.29
5.5.320.0370.06720.20
5.5.310.0370.07020.23
5.5.300.0100.09018.00
5.5.290.0030.05017.92
5.5.280.0000.06320.77
5.5.270.0070.08720.75
5.5.260.0100.05020.89
5.5.250.0070.06720.79
5.5.240.0000.07320.36
5.4.450.0670.05019.11
5.4.440.0730.05019.48
5.4.430.0730.05719.60
5.4.420.0630.00019.63
5.4.410.0770.00019.20
5.4.400.0630.00019.03
5.4.390.0600.00018.96
5.4.380.0630.00019.16
5.4.370.0600.00019.16
5.4.360.0630.00018.92
5.4.350.0630.00019.16
5.4.340.0070.04511.97
5.4.320.0100.04912.45
5.4.310.0070.04712.45
5.4.300.0080.04112.45
5.4.290.0090.05212.45
5.4.280.0120.04312.34
5.4.270.0110.04412.34
5.4.260.0080.04912.34
5.4.250.0040.05112.35
5.4.240.0070.04912.34
5.4.230.0080.05112.34
5.4.220.0110.04612.34
5.4.210.0090.04512.34
5.4.200.0100.05212.34
5.4.190.0120.04712.34
5.4.180.0080.05012.33
5.4.170.0120.04412.35
5.4.160.0110.05112.34
5.4.150.0080.04712.34
5.4.140.0060.04712.02
5.4.130.0070.04112.01
5.4.120.0110.04211.97
5.4.110.0140.04011.96
5.4.100.0160.04011.96
5.4.90.0110.04711.96
5.4.80.0100.04411.96
5.4.70.0050.04111.96
5.4.60.0070.03911.96
5.4.50.0060.03911.96
5.4.40.0080.04111.95
5.4.30.0100.04411.95
5.4.20.0090.03611.95
5.4.10.0180.04811.95
5.4.00.0070.05111.44
5.3.290.0070.05912.80
5.3.280.0080.05112.71
5.3.270.0060.05412.72
5.3.260.0060.05412.72
5.3.250.0100.05112.72
5.3.240.0100.05012.72
5.3.230.0110.04712.70
5.3.220.0080.05212.68
5.3.210.0090.05412.68
5.3.200.0100.05012.68
5.3.190.0070.05012.68
5.3.180.0070.05112.68
5.3.170.0050.04012.67
5.3.160.0050.03912.67
5.3.150.0050.03912.67
5.3.140.0080.03612.66
5.3.130.0060.04312.65
5.3.120.0110.03612.66
5.3.110.0090.04812.66
5.3.100.0070.04212.12
5.3.90.0060.03712.08
5.3.80.0040.03812.07
5.3.70.0050.03912.08
5.3.60.0080.04712.06
5.3.50.0100.04912.00
5.3.40.0090.04712.00
5.3.30.0120.03111.94
5.3.20.0070.03811.72
5.3.10.0080.04111.69
5.3.00.0090.04211.67
5.2.170.0050.0399.18
5.2.160.0120.0379.17
5.2.150.0040.0459.17
5.2.140.0070.0429.17
5.2.130.0090.0399.13
5.2.120.0080.0379.13
5.2.110.0050.0419.14
5.2.100.0120.0359.13
5.2.90.0090.0359.14
5.2.80.0070.0409.13
5.2.70.0080.0439.13
5.2.60.0050.0449.08
5.2.50.0080.0399.05
5.2.40.0090.0359.03
5.2.30.0170.0519.00
5.2.20.0070.0399.00
5.2.10.0070.0388.91
5.2.00.0070.0398.77
5.1.60.0060.0328.05
5.1.50.0050.0318.05
5.1.40.0060.0338.04
5.1.30.0100.0328.39
5.1.20.0060.0348.41
5.1.10.0080.0318.13
5.1.00.0040.0368.13
5.0.50.0060.0256.61
5.0.40.0050.0186.47
5.0.30.0030.0326.29
5.0.20.0020.0246.26
5.0.10.0070.0226.23
5.0.00.0060.0406.23
4.4.90.0050.0164.78
4.4.80.0020.0194.75
4.4.70.0060.0164.75
4.4.60.0060.0204.75
4.4.50.0030.0204.77
4.4.40.0050.0274.71
4.4.30.0030.0174.75
4.4.20.0020.0194.84
4.4.10.0030.0194.85
4.4.00.0050.0304.76
4.3.110.0050.0194.66
4.3.100.0020.0194.66
4.3.90.0020.0194.63
4.3.80.0030.0274.58
4.3.70.0060.0124.63
4.3.60.0050.0144.63
4.3.50.0030.0194.63
4.3.40.0040.0284.54
4.3.30.0040.0153.28
4.3.20.0040.0163.25
4.3.10.0030.0173.21
4.3.00.0100.0136.70

preferences:
40.54 ms | 401 KiB | 5 Q