3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strValue = '34'; if(!ctype_digit((string) $strValue)){ echo true; } else { echo false; }

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)
8.3.60.0140.00718.31
8.3.50.0150.00621.92
8.3.40.0090.00618.71
8.3.30.0160.00020.21
8.3.20.0050.00320.22
8.3.10.0040.00421.77
8.3.00.0080.00022.43
8.2.180.0110.01118.41
8.2.170.0100.00322.96
8.2.160.0030.01020.39
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.07
8.2.110.0040.00420.35
8.2.100.0040.00717.91
8.2.90.0030.00619.09
8.2.80.0050.00319.41
8.2.70.0040.00417.50
8.2.60.0000.00917.80
8.2.50.0080.00018.07
8.2.40.0000.00818.00
8.2.30.0000.00718.11
8.2.20.0050.00317.52
8.2.10.0000.00817.79
8.2.00.0040.00417.60
8.1.280.0060.01125.92
8.1.270.0070.00024.66
8.1.260.0030.00626.35
8.1.250.0000.00728.09
8.1.240.0060.00323.96
8.1.230.0080.00419.16
8.1.220.0000.00817.80
8.1.210.0090.00018.77
8.1.200.0040.00417.35
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0040.00418.45
8.1.160.0000.00722.20
8.1.150.0040.00418.67
8.1.140.0070.00017.45
8.1.130.0030.00317.81
8.1.120.0000.00717.37
8.1.110.0050.00217.39
8.1.100.0000.00717.36
8.1.90.0070.00017.36
8.1.80.0050.00517.36
8.1.70.0030.00317.47
8.1.60.0000.00817.56
8.1.50.0040.00417.58
8.1.40.0050.00317.40
8.1.30.0000.00717.57
8.1.20.0040.00417.57
8.1.10.0000.00817.48
8.1.00.0070.00717.29
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0000.00718.43
8.0.270.0030.00317.16
8.0.260.0000.00716.81
8.0.250.0000.00716.87
8.0.240.0000.00816.92
8.0.230.0000.00716.94
8.0.220.0040.00416.80
8.0.210.0000.00716.92
8.0.200.0000.00616.99
8.0.190.0000.00816.96
8.0.180.0040.00416.82
8.0.170.0040.00416.84
8.0.160.0040.00416.92
8.0.150.0030.00516.84
8.0.140.0030.00516.77
8.0.130.0020.00613.38
8.0.120.0040.00416.84
8.0.110.0050.00316.93
8.0.100.0000.00716.95
8.0.90.0000.00716.88
8.0.80.0060.00916.93
8.0.70.0000.00716.98
8.0.60.0040.00416.75
8.0.50.0070.00016.91
8.0.30.0130.00517.14
8.0.20.0100.01017.40
8.0.10.0050.00316.88
8.0.00.0130.00516.77
7.4.330.0000.00515.00
7.4.320.0000.00716.64
7.4.300.0060.00016.62
7.4.290.0030.00316.52
7.4.280.0050.00216.59
7.4.270.0000.00716.61
7.4.260.0030.00316.53
7.4.250.0070.00016.52
7.4.240.0020.00616.47
7.4.230.0060.00016.41
7.4.220.0070.02016.37
7.4.210.0050.01016.53
7.4.200.0050.00216.71
7.4.190.0000.00716.48
7.4.160.0100.00716.42
7.4.150.0140.01117.40
7.4.140.0120.00917.86
7.4.130.0090.00816.49
7.4.120.0140.00516.50
7.4.110.0030.01416.61
7.4.100.0080.00816.39
7.4.90.0140.00416.56
7.4.80.0120.00919.39
7.4.70.0080.00816.47
7.4.60.0090.00616.43
7.4.50.0040.00416.39
7.4.40.0000.01322.77
7.4.30.0030.01316.63
7.4.00.0060.00914.97
7.3.330.0000.00512.95
7.3.320.0050.00013.13
7.3.310.0000.00716.25
7.3.300.0070.00016.23
7.3.290.0170.00316.19
7.3.280.0080.00916.18
7.3.270.0100.00617.40
7.3.260.0180.00716.63
7.3.250.0120.01016.33
7.3.240.0070.01116.35
7.3.230.0070.01016.47
7.3.210.0040.01216.35
7.3.200.0180.00419.39
7.3.190.0050.00516.19
7.3.180.0120.00316.24
7.3.170.0150.00616.39
7.3.160.0060.01016.54
7.3.120.0140.00014.82
7.3.10.0040.01116.61
7.3.00.0000.01216.20
7.2.330.0070.01016.53
7.2.320.0060.01616.57
7.2.310.0130.01016.54
7.2.300.0160.00616.48
7.2.290.0090.00616.51
7.2.130.0040.00816.50
7.2.120.0060.00616.55
7.2.110.0040.01116.49
7.2.100.0070.00716.76
7.2.90.0090.00616.80
7.2.80.0060.00916.82
7.2.70.0000.00916.47
7.2.60.0070.00716.75
7.2.50.0040.00416.78
7.2.40.0080.00316.83
7.2.30.0030.01016.91
7.2.20.0060.00316.75
7.2.10.0050.00516.87
7.2.00.0070.00716.93
7.1.250.0050.00515.71
7.1.200.0030.01015.68
7.1.100.0070.00718.08
7.1.70.0000.00817.08
7.1.60.0060.01919.43
7.1.50.0100.00716.54
7.1.00.0030.03322.51
7.0.200.0200.00716.59
7.0.140.0070.07022.11
7.0.60.0070.04719.90
7.0.50.0030.08017.77
7.0.40.0030.08720.20
7.0.30.0430.03320.18
7.0.20.0270.04320.33
7.0.10.0330.06720.00
7.0.00.0100.04720.01
5.6.280.0000.07721.01
5.6.210.0130.07720.61
5.6.200.0070.09018.12
5.6.190.0070.05320.48
5.6.180.3600.03720.35
5.6.170.0270.03320.40
5.6.160.0130.05320.49
5.6.150.0030.06018.11
5.6.140.0100.06318.09
5.6.130.0100.07718.14
5.6.120.0030.06320.98
5.6.110.0100.08320.97
5.6.100.0030.08021.13
5.6.90.0070.04320.96
5.6.80.0100.06020.40
5.6.70.0270.06720.50
5.5.350.0230.08020.38
5.5.340.0030.07018.02
5.5.330.0100.04720.38
5.5.320.0300.05020.41
5.5.310.0170.04320.31
5.5.300.0100.04318.00
5.5.290.0070.06317.98
5.5.280.0130.07020.71
5.5.270.0100.07320.83
5.5.260.0130.03020.86
5.5.250.0030.04020.68
5.5.240.0230.03320.06
5.4.450.0970.09019.49
5.4.440.0270.05719.25
5.4.430.0270.04719.62
5.4.420.0170.06019.50
5.4.410.0130.05319.35
5.4.400.1200.05718.80
5.4.390.1130.05018.57
5.4.380.0230.05018.63
5.4.370.0200.04718.73
5.4.360.0300.05018.56
5.4.350.0110.04511.98
5.4.340.0030.04411.96
5.4.320.0050.04112.45
5.4.310.0080.03712.45
5.4.300.0070.03612.45
5.4.290.0050.03812.45
5.4.280.0070.03412.35
5.4.270.0110.03612.35
5.4.260.0070.04112.34
5.4.250.0080.03912.34
5.4.240.0030.08318.83
5.4.230.0030.07018.70
5.4.220.0130.05318.81
5.4.210.0100.05318.85
5.4.200.0070.05718.81
5.4.190.0070.08018.96
5.4.180.0100.08018.91
5.4.170.0130.06018.81
5.4.160.0070.07318.84
5.4.150.0030.06318.82
5.4.140.0100.05316.43
5.4.130.0200.06016.42
5.4.120.0300.07716.52
5.4.110.0100.05016.22
5.4.100.0030.07316.32
5.4.90.0100.04716.44
5.4.80.0070.05716.39
5.4.70.0130.06016.47
5.4.60.0070.05016.34
5.4.50.0030.05716.30
5.4.40.0070.05016.39
5.4.30.0030.05316.22
5.4.20.0070.06016.20
5.4.10.0130.07316.36
5.4.00.0070.06715.71
5.3.290.0060.03912.80
5.3.280.0170.06314.36
5.3.270.0030.08314.75
5.3.260.0100.05714.61
5.3.250.0100.06314.62
5.3.240.0030.07714.38
5.3.230.0000.07714.32
5.3.220.0170.06714.26
5.3.210.0070.05314.42
5.3.200.0100.06314.58
5.3.190.0070.05714.58
5.3.180.0130.07014.71
5.3.170.0130.04714.57
5.3.160.0070.05014.47
5.3.150.0170.06314.71
5.3.140.0130.06714.56
5.3.130.0070.08014.39
5.3.120.0130.05714.56
5.3.110.0070.06014.46
5.3.100.0000.05713.90
5.3.90.0000.06713.85
5.3.80.0130.05014.06
5.3.70.0130.06313.93
5.3.60.0130.04313.91
5.3.50.0100.05013.78
5.3.40.0130.04314.09
5.3.30.0030.06313.60
5.3.20.0000.05313.84
5.3.10.0000.05713.66
5.3.00.0030.05313.52
5.2.170.0030.04711.10
5.2.160.0030.04311.05
5.2.150.0130.04711.23
5.2.140.0030.04311.02
5.2.130.0000.04711.10
5.2.120.0030.04711.20
5.2.110.0000.05711.01
5.2.100.0070.05710.98
5.2.90.0000.04310.93
5.2.80.0030.04311.09
5.2.70.0170.04311.09
5.2.60.0000.04710.98
5.2.50.0030.05011.02
5.2.40.0070.03710.89
5.2.30.0170.03310.89
5.2.20.0030.04010.95
5.2.10.0030.03710.93
5.2.00.0070.04310.79
5.1.60.0100.03710.05
5.1.50.0100.03310.08
5.1.40.0000.0379.91
5.1.30.0070.04310.16
5.1.20.0100.04710.43
5.1.10.0030.03710.12
5.1.00.0000.0439.99
5.0.50.0100.0238.48
5.0.40.0030.0338.42
5.0.30.0070.0378.25
5.0.20.0070.0278.15
5.0.10.0030.0408.15
5.0.00.0000.0538.30
4.4.90.0070.0236.82
4.4.80.0030.0306.82
4.4.70.0070.0206.82
4.4.60.0030.0276.79
4.4.50.0100.0206.79
4.4.40.0030.0336.78
4.4.30.0030.0276.78
4.4.20.0070.0236.78
4.4.10.0100.0136.78
4.4.00.0070.0376.78
4.3.110.0030.0306.78
4.3.100.0030.0206.78
4.3.90.0030.0206.78
4.3.80.0000.0436.78
4.3.70.0030.0276.78
4.3.60.0000.0236.78
4.3.50.0070.0176.78
4.3.40.0000.0336.78
4.3.30.0000.0276.78
4.3.20.0030.0306.78
4.3.10.0030.0206.78
4.3.00.0070.0277.41

preferences:
48.17 ms | 400 KiB | 5 Q