3v4l.org

run code in 300+ PHP versions simultaneously
<?php function someFunction() { } $functionVariable = 'someFunction'; var_dump(is_callable($functionVariable, false, $callable_name)); // bool(true) echo $callable_name, "\n"; // someFunction

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)
8.3.70.0110.01116.25
8.3.60.0110.00416.63
8.3.50.0090.00618.08
8.3.40.0090.00618.50
8.3.30.0090.00618.47
8.3.20.0080.00018.48
8.3.10.0080.00020.47
8.3.00.0000.00819.13
8.2.180.0090.00916.50
8.2.170.0140.00022.96
8.2.160.0110.00420.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00421.09
8.2.110.0000.01021.08
8.2.100.0070.00417.66
8.2.90.0050.00319.48
8.2.80.0030.00619.40
8.2.70.0040.00417.50
8.2.60.0050.00517.93
8.2.50.0050.00318.07
8.2.40.0000.00718.22
8.2.30.0090.00017.96
8.2.20.0030.00619.31
8.2.10.0000.00717.61
8.2.00.0030.00717.72
8.1.280.0030.01225.92
8.1.270.0050.00524.66
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0060.00322.58
8.1.230.0080.00420.97
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.51
8.1.180.0040.00418.10
8.1.170.0000.00718.77
8.1.160.0000.00718.82
8.1.150.0000.01118.56
8.1.140.0050.00217.51
8.1.130.0070.00017.69
8.1.120.0000.00717.42
8.1.110.0040.00417.40
8.1.100.0050.00217.30
8.1.90.0000.00817.29
8.1.80.0030.00317.30
8.1.70.0000.00817.41
8.1.60.0040.00417.39
8.1.50.0040.00417.30
8.1.40.0040.00417.46
8.1.30.0000.00817.52
8.1.20.0050.00317.48
8.1.10.0040.00417.37
8.1.00.0050.00317.35
8.0.300.0070.00019.89
8.0.290.0050.00316.75
8.0.280.0000.00718.43
8.0.270.0000.00717.12
8.0.260.0040.00416.86
8.0.250.0050.00316.95
8.0.240.0040.00416.91
8.0.230.0000.00716.86
8.0.220.0000.00716.87
8.0.210.0070.00016.80
8.0.200.0030.00316.75
8.0.190.0000.00716.84
8.0.180.0080.00016.84
8.0.170.0040.00416.75
8.0.160.0040.00416.78
8.0.150.0030.00516.66
8.0.140.0040.00416.68
8.0.130.0040.00413.29
8.0.120.0000.00716.78
8.0.110.0000.00716.86
8.0.100.0070.00016.79
8.0.90.0030.00616.64
8.0.80.0040.01116.74
8.0.70.0040.00416.89
8.0.60.0040.00416.83
8.0.50.0050.00316.67
8.0.30.0070.01017.02
8.0.20.0120.00617.22
8.0.10.0040.00416.90
8.0.00.0100.00816.50
7.4.330.0000.00612.87
7.4.320.0000.00616.38
7.4.300.0060.00016.39
7.4.290.0040.00416.46
7.4.280.0040.00416.57
7.4.270.0000.00716.45
7.4.260.0020.00313.13
7.4.250.0080.00016.41
7.4.240.0000.00716.32
7.4.230.0070.00016.36
7.4.220.0090.01216.42
7.4.210.0080.00716.44
7.4.200.0000.00616.46
7.4.190.0040.00416.38
7.4.160.0120.00316.47
7.4.150.0070.01116.26
7.4.140.0080.01016.33
7.4.130.0070.01016.55
7.4.120.0070.01316.27
7.4.110.0100.00716.48
7.4.100.0060.01016.25
7.4.90.0090.00916.38
7.4.80.0110.00619.39
7.4.70.0070.01016.35
7.4.60.0060.00916.38
7.4.50.0000.00816.48
7.4.40.0030.01316.51
7.4.30.0070.00816.48
7.4.00.0070.01014.72
7.3.330.0060.00013.20
7.3.320.0000.00813.21
7.3.310.0030.00316.13
7.3.300.0030.00316.23
7.3.290.0080.00816.20
7.3.280.0090.00816.18
7.3.270.0150.00316.37
7.3.260.0150.00916.57
7.3.250.0100.00716.42
7.3.240.0090.00616.32
7.3.230.0070.01016.16
7.3.210.0070.01016.63
7.3.200.0060.01016.11
7.3.190.0100.01016.23
7.3.180.0120.00316.47
7.3.170.0140.00716.23
7.3.160.0080.01116.44
7.3.120.0030.01014.39
7.2.330.0130.00616.61
7.2.320.0090.00916.70
7.2.310.0130.00716.38
7.2.300.0150.00916.69
7.2.290.0000.01716.47
7.2.60.0120.00316.22
7.2.00.0030.00919.32
7.1.200.0040.00715.36
7.1.100.0070.00718.13
7.1.70.0000.00717.14
7.1.60.0040.01519.31
7.1.50.0070.00716.95
7.1.00.0000.08322.57
7.0.200.0170.00616.52
7.0.140.0030.07321.94
7.0.120.0100.06722.16
7.0.60.0170.06719.79
7.0.50.0170.07717.85
7.0.40.0100.08720.28
7.0.30.0570.07020.13
7.0.20.0200.08720.12
7.0.10.0000.04720.24
7.0.00.0200.07720.23
5.6.280.0030.07320.87
5.6.210.0100.07720.61
5.6.200.0170.07318.16
5.6.190.0030.08720.52
5.6.180.0430.07320.52
5.6.170.0300.07020.44
5.6.160.0070.08320.55
5.6.150.0000.04318.29
5.6.140.0070.07718.11
5.6.130.0030.09018.18
5.6.120.0130.08020.94
5.6.110.0130.08020.98
5.6.100.0130.03720.98
5.6.90.0000.04321.10
5.6.80.0070.07720.44
5.5.350.0270.07720.33
5.5.340.0000.08717.98
5.5.330.0100.08020.28
5.5.320.0530.06720.36
5.5.310.0300.05020.31
5.5.300.0130.06318.08
5.5.290.0100.05717.99
5.5.280.0130.07720.75
5.5.270.0130.06020.94
5.5.260.0030.04320.95
5.5.250.0000.04320.54
5.5.240.0230.06320.26
5.4.450.0030.03719.50
5.4.440.0000.04319.57
5.4.430.0030.04719.17
5.4.420.0000.04019.46
5.4.410.0030.03719.36
5.4.400.0030.05318.99
5.4.390.0070.07718.98
5.4.380.0130.06719.14
5.4.370.0000.06719.24
5.4.360.0070.07318.87
5.4.350.0100.06018.87
5.4.340.0130.03719.00
5.4.320.0030.06718.86
5.4.310.0100.07719.15
5.4.300.0070.07318.85
5.4.290.0130.06718.92
5.4.280.0100.07019.20
5.4.270.0170.06018.84
5.4.260.0070.04319.07
5.4.250.0070.05019.05
5.4.240.0030.08018.85
5.4.230.0100.04319.07
5.4.220.0100.07718.86
5.4.210.0100.07019.00
5.4.200.0070.08018.94
5.4.190.0200.06319.13
5.4.180.0100.04018.93
5.4.170.0130.04719.19
5.4.160.0100.07319.23
5.4.150.0030.04018.98
5.4.140.0070.03716.28
5.4.130.0130.03316.39
5.4.120.0030.04316.39
5.4.110.0070.03316.27
5.4.100.0030.04016.39
5.4.90.0130.06316.39
5.4.80.0100.07316.40
5.4.70.0070.04316.39
5.4.60.0130.06716.36
5.4.50.0000.07716.55
5.4.40.0130.06016.28
5.4.30.0030.06716.36
5.4.20.0030.04316.30
5.4.10.0030.04016.41
5.4.00.0070.04015.87
5.3.290.0070.07314.70
5.3.280.0070.04714.60
5.3.270.0070.03714.48
5.3.260.0000.09014.61
5.3.250.0170.06714.61
5.3.240.0070.07314.61
5.3.230.0030.05314.59
5.3.220.0070.07314.59
5.3.210.0000.08314.61
5.3.200.0100.07714.59
5.3.190.0000.05314.59
5.3.180.0030.07014.57
5.3.170.0030.07714.57
5.3.160.0100.07314.57
5.3.150.0170.04314.62
5.3.140.0030.07014.70
5.3.130.0070.07314.58
5.3.120.0170.05314.68
5.3.110.0030.08014.55
5.3.100.0130.06014.03
5.3.90.0100.07014.16
5.3.80.0000.05714.08
5.3.70.0070.04014.09
5.3.60.0130.03713.89
5.3.50.0130.06014.00
5.3.40.0070.04313.94
5.3.30.0030.04314.06
5.3.20.0000.04013.83
5.3.10.0030.07013.80
5.3.00.0070.07013.71
5.2.170.0100.03311.14
5.2.160.0070.06011.12
5.2.150.0100.04011.14
5.2.140.0070.06311.14
5.2.130.0070.05011.10
5.2.120.0100.02311.25
5.2.110.0000.03311.01
5.2.100.0070.03711.05
5.2.90.0100.02711.27
5.2.80.0030.03711.14
5.2.70.0070.06011.23
5.2.60.0130.05711.10
5.2.50.0070.06011.09
5.2.40.0030.06010.97
5.2.30.0070.05710.91
5.2.20.0030.04710.96
5.2.10.0030.03010.91
5.2.00.0030.03010.75
5.1.60.0000.0279.98
5.1.50.0030.06010.04
5.1.40.0030.04010.13
5.1.30.0070.04310.33
5.1.20.0070.04010.35
5.1.10.0100.0539.97
5.1.00.0000.04010.21
5.0.50.0000.0508.59
5.0.40.0030.0478.42
5.0.30.0000.0378.38
5.0.20.0070.0408.38
5.0.10.0030.0438.38
5.0.00.0030.0338.38
4.4.90.0030.0338.38
4.4.80.0070.0308.38
4.4.70.0000.0378.38
4.4.60.0130.0278.38
4.4.50.0000.0208.38
4.4.40.0030.0478.38
4.4.30.0000.0338.38
4.4.20.0000.0208.38
4.4.10.0000.0208.38
4.4.00.0030.0538.38
4.3.110.0000.0208.38
4.3.100.0000.0178.38
4.3.90.0100.0178.38
4.3.80.0030.0478.38
4.3.70.0070.0208.38
4.3.60.0030.0308.38
4.3.50.0070.0308.38
4.3.40.0000.0478.38
4.3.30.0000.0308.38
4.3.20.0100.0378.38
4.3.10.0030.0238.38
4.3.00.0030.0178.38

preferences:
47.38 ms | 401 KiB | 5 Q