3v4l.org

run code in 300+ PHP versions simultaneously
<?php function var2int($a) { $a--; $a++; return (int) $a; } echo var2int("a")."\n"; echo var2int("?")."\n"; echo var2int(5)."\n"; echo var2int(NULL)."\n";

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)
8.3.60.0120.00918.68
8.3.50.0130.00322.11
8.3.40.0070.01118.97
8.3.30.0040.01119.27
8.3.20.0040.00420.33
8.3.10.0040.00422.10
8.3.00.0040.00422.44
8.2.180.0090.00616.63
8.2.170.0110.00322.96
8.2.160.0150.00420.69
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0030.00519.13
8.2.110.0030.00622.00
8.2.100.0050.00519.45
8.2.90.0040.00419.08
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0000.00918.34
8.2.30.0030.00518.06
8.2.20.0040.00417.59
8.2.10.0040.00419.29
8.2.00.0050.00217.53
8.1.280.0000.01425.92
8.1.270.0040.00422.08
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0030.00723.92
8.1.230.0000.01219.17
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0040.00417.36
8.1.190.0060.00317.41
8.1.180.0040.00418.10
8.1.170.0000.00818.41
8.1.160.0000.00721.93
8.1.150.0040.00418.67
8.1.140.0040.00417.45
8.1.130.0000.00717.69
8.1.120.0030.00617.45
8.1.110.0040.00417.34
8.1.100.0000.00817.33
8.1.90.0030.00317.44
8.1.80.0000.00717.36
8.1.70.0030.00317.45
8.1.60.0060.00617.62
8.1.50.0060.00317.43
8.1.40.0040.00417.55
8.1.30.0000.00717.63
8.1.20.0000.00717.51
8.1.10.0080.00017.57
8.1.00.0000.00717.44
8.0.300.0000.00718.77
8.0.290.0070.00017.16
8.0.280.0040.00418.45
8.0.270.0030.00317.27
8.0.260.0060.00016.78
8.0.250.0070.00016.95
8.0.240.0000.00716.85
8.0.230.0000.00716.98
8.0.220.0000.00716.79
8.0.210.0000.00716.91
8.0.200.0040.00417.00
8.0.190.0040.00416.93
8.0.180.0000.00816.93
8.0.170.0000.00716.79
8.0.160.0040.00416.86
8.0.150.0040.00416.84
8.0.140.0040.00416.87
8.0.130.0040.00413.38
8.0.120.0040.00416.96
8.0.110.0040.00416.79
8.0.100.0000.00717.00
8.0.90.0040.00416.93
8.0.80.0110.00416.84
8.0.70.0080.00016.92
8.0.60.0000.00816.74
8.0.50.0040.00416.71
8.0.30.0140.00417.19
8.0.20.0090.00917.40
8.0.10.0040.00416.78
8.0.00.0080.01017.00
7.4.330.0050.00015.14
7.4.320.0000.00616.36
7.4.300.0000.00616.50
7.4.290.0030.00316.40
7.4.280.0030.00316.59
7.4.270.0030.00316.60
7.4.260.0050.00316.50
7.4.250.0040.00416.54
7.4.240.0050.00216.44
7.4.230.0030.00316.43
7.4.220.0100.01616.45
7.4.210.0070.01116.64
7.4.200.0050.00216.50
7.4.190.0050.00216.64
7.4.160.0170.00716.50
7.4.150.0090.00817.40
7.4.140.0180.00217.86
7.4.130.0100.00716.51
7.4.120.0110.00716.61
7.4.110.0070.01916.46
7.4.100.0100.00716.55
7.4.90.0150.00316.60
7.4.80.0170.00019.39
7.4.70.0080.00816.51
7.4.60.0110.00716.62
7.4.50.0000.00816.49
7.4.40.0040.01122.77
7.4.30.0140.00316.46
7.4.00.0060.00915.06
7.3.330.0030.00313.32
7.3.320.0000.00513.16
7.3.310.0000.00716.33
7.3.300.0060.00016.17
7.3.290.0090.00616.21
7.3.280.0090.00816.30
7.3.270.0040.01917.40
7.3.260.0130.00316.43
7.3.250.0120.00616.42
7.3.240.0060.01116.50
7.3.230.0120.00916.41
7.3.210.0080.00816.45
7.3.200.0100.01319.39
7.3.190.0070.01016.30
7.3.180.0180.00616.46
7.3.170.0090.00616.41
7.3.160.0100.00616.34
7.3.120.0040.01114.91
7.2.330.0070.01416.68
7.2.320.0090.01216.44
7.2.310.0160.00616.38
7.2.300.0150.00916.79
7.2.290.0030.01316.65
7.2.60.0030.01316.81
7.2.00.0060.00619.43
7.1.200.0090.00615.75
7.1.100.0060.00617.61
7.1.70.0070.00317.10
7.1.60.0040.02219.82
7.1.50.0110.01416.86
7.1.00.0030.07722.32
7.0.200.2890.00316.71
7.0.140.0030.07322.21
7.0.60.0030.08320.04
7.0.50.0070.08017.92
7.0.40.0130.08020.09
7.0.30.0230.04020.20
7.0.20.0170.04720.06
7.0.10.0370.07320.07
7.0.00.0030.06020.09
5.6.280.0100.06320.93
5.6.210.0030.08320.53
5.6.200.0100.06018.16
5.6.190.0030.08320.42
5.6.180.2330.04020.46
5.6.170.0230.04720.46
5.6.160.0000.05320.44
5.6.150.0100.08018.15
5.6.140.0100.04318.12
5.6.130.0100.07718.33
5.6.120.0130.07721.04
5.6.110.0100.08021.02
5.6.100.0100.07720.89
5.6.90.0100.03321.01
5.6.80.0000.06020.40
5.6.70.0300.06720.41
5.5.350.0000.03720.53
5.5.340.0030.04317.98
5.5.330.0070.07720.47
5.5.320.0300.03020.30
5.5.310.0270.05020.32
5.5.300.0000.07017.95
5.5.290.0100.05717.97
5.5.280.0030.05020.82
5.5.270.0070.04020.79
5.5.260.0100.04720.68
5.5.250.0100.06720.77
5.5.240.0270.06320.18
5.4.450.0100.06019.59
5.4.440.0770.05019.34
5.4.430.0170.04719.68
5.4.420.0170.07019.56
5.4.410.0130.05019.57
5.4.400.0800.00018.84
5.4.390.0930.00018.72
5.4.380.0230.05018.73
5.4.370.0230.05318.74
5.4.360.0400.04718.80
5.4.350.0230.07018.78
5.4.340.0300.05018.77
5.4.320.0060.03812.50
5.4.310.0070.04612.50
5.4.300.0080.04412.51
5.4.290.0050.05112.50
5.4.280.0060.03512.39
5.4.270.0030.05718.97
5.4.260.0100.04718.90
5.4.250.0030.05718.73
5.4.240.0070.05018.99
5.4.230.0070.07018.65
5.4.220.0000.06019.03
5.4.210.0130.05018.94
5.4.200.0100.05318.80
5.4.190.0030.05718.77
5.4.180.0100.05018.83
5.4.170.0030.05718.80
5.4.160.0030.05318.93
5.4.150.0130.07018.93
5.4.140.0100.04716.33
5.4.130.0130.06316.53
5.4.120.0170.04316.29
5.4.110.0130.06316.50
5.4.100.0130.04316.61
5.4.90.0030.07316.46
5.4.80.0130.04316.39
5.4.70.0130.04716.51
5.4.60.0100.04716.48
5.4.50.0030.05016.39
5.4.40.0070.04716.50
5.4.30.0030.05016.30
5.4.20.0070.06016.45
5.4.10.0200.04316.49
5.4.00.0200.04015.96
5.3.290.0100.04212.80
5.3.280.0070.05014.75
5.3.270.0070.05014.57
5.3.260.0070.05314.73
5.3.250.0200.03714.62
5.3.240.0100.07014.59
5.3.230.0030.05314.73
5.3.220.0070.05014.69
5.3.210.0130.06714.56
5.3.200.0070.05014.62
5.3.190.0100.06314.55
5.3.180.0070.05314.54
5.3.170.0100.05714.55
5.3.160.0170.05714.38
5.3.150.0030.05314.46
5.3.140.0070.05314.63
5.3.130.0130.04714.54
5.3.120.0070.05314.63
5.3.110.0100.05014.63
5.3.100.0100.07014.02
5.3.90.0130.05014.23
5.3.80.0070.05014.03
5.3.70.0070.05014.10
5.3.60.0100.05014.09
5.3.50.0170.04013.85
5.3.40.0030.05313.84
5.3.30.0030.05014.12
5.3.20.0030.05313.69
5.3.10.0070.04713.73
5.3.00.0170.04313.71
5.2.170.0070.03711.14
5.2.160.0070.04010.97
5.2.150.0000.06011.20
5.2.140.0030.04311.05
5.2.130.0070.04011.18
5.2.120.0100.03311.09
5.2.110.0170.03011.29
5.2.100.0000.04311.10
5.2.90.0030.04011.27
5.2.80.0100.03711.07
5.2.70.0000.06010.99
5.2.60.0030.04011.22
5.2.50.0070.04010.93
5.2.40.0130.03310.97
5.2.30.0030.04010.80
5.2.20.0030.05711.04
5.2.10.0030.04310.69
5.2.00.0100.03310.62
5.1.60.0070.0409.84
5.1.50.0070.04310.00
5.1.40.0070.0409.94
5.1.30.0030.04010.41
5.1.20.0070.05010.51
5.1.10.0070.03010.02
5.1.00.0100.03010.16
5.0.50.0030.0408.55
5.0.40.0100.0208.41
5.0.30.0100.0408.27
5.0.20.0030.0278.11
5.0.10.0070.0238.22
5.0.00.0070.0408.13
4.4.90.0030.0276.83
4.4.80.0070.0236.83
4.4.70.0030.0276.77
4.4.60.0100.0236.73
4.4.50.0000.0236.72
4.4.40.0030.0406.65
4.4.30.0000.0336.63
4.4.20.0000.0236.63
4.4.10.0130.0206.63
4.4.00.0030.0406.63
4.3.110.0000.0236.58
4.3.100.0000.0236.54
4.3.90.0030.0206.48
4.3.80.0000.0376.45
4.3.70.0000.0336.45
4.3.60.0100.0136.45
4.3.50.0000.0236.45
4.3.40.0030.0406.45
4.3.30.0030.0176.45
4.3.20.0000.0236.45
4.3.10.0030.0206.45
4.3.00.0130.0237.39

preferences:
37.82 ms | 401 KiB | 5 Q