3v4l.org

run code in 300+ PHP versions simultaneously
<?php function callableFunction(){} $callable = 'callableFunction'; var_dump( is_callable( $callable ) );

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)
8.3.40.0130.00318.54
8.3.30.0160.00618.59
8.3.20.0000.00818.40
8.3.10.0050.00320.46
8.3.00.0040.00717.38
8.2.170.0100.00722.96
8.2.160.0070.00720.94
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0080.00018.93
8.2.110.0030.00620.91
8.2.100.0070.00417.78
8.2.90.0000.00819.33
8.2.80.0000.00719.28
8.2.70.0070.00417.25
8.2.60.0050.00317.68
8.2.50.0030.00618.07
8.2.40.0080.00018.22
8.2.30.0040.00417.98
8.2.20.0000.00717.59
8.2.10.0070.00017.68
8.2.00.0030.00617.66
8.1.270.0070.00024.66
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0090.00023.87
8.1.230.0110.00020.93
8.1.220.0000.00817.79
8.1.210.0080.00018.77
8.1.200.0070.00317.23
8.1.190.0040.00417.43
8.1.180.0080.00018.10
8.1.170.0000.00918.73
8.1.160.0000.00718.73
8.1.150.0040.00518.57
8.1.140.0100.00017.39
8.1.130.0030.00317.88
8.1.120.0000.00817.40
8.1.110.0000.00717.30
8.1.100.0040.00417.34
8.1.90.0070.00017.27
8.1.80.0000.00717.35
8.1.70.0030.00317.28
8.1.60.0000.00817.34
8.1.50.0040.00417.28
8.1.40.0000.00817.43
8.1.30.0000.00717.49
8.1.20.0070.00017.60
8.1.10.0030.00517.40
8.1.00.0050.00217.27
8.0.300.0030.00519.90
8.0.290.0040.00416.63
8.0.280.0030.00318.42
8.0.270.0000.00717.18
8.0.260.0050.00316.72
8.0.250.0040.00416.85
8.0.240.0000.00716.77
8.0.230.0030.00316.84
8.0.220.0000.00716.81
8.0.210.0070.00016.68
8.0.200.0000.00616.89
8.0.190.0070.00016.78
8.0.180.0000.00716.80
8.0.170.0070.00016.68
8.0.160.0070.00016.79
8.0.150.0000.00816.78
8.0.140.0060.00516.78
8.0.130.0030.00313.22
8.0.120.0050.00316.66
8.0.110.0030.00616.88
8.0.100.0040.00416.77
8.0.90.0050.00316.65
8.0.80.0070.00716.73
8.0.70.0000.00816.72
8.0.60.0000.00716.77
8.0.50.0000.00716.87
8.0.30.0060.01217.12
8.0.20.0060.01317.03
8.0.10.0060.00316.99
8.0.00.0080.01316.65
7.4.330.0000.00412.82
7.4.320.0040.00416.50
7.4.300.0040.00416.33
7.4.290.0040.00416.53
7.4.280.0000.00816.44
7.4.270.0000.00716.48
7.4.260.0030.00313.18
7.4.250.0060.00316.50
7.4.240.0020.00616.38
7.4.230.0030.00316.41
7.4.220.0130.00916.43
7.4.210.0070.00816.37
7.4.200.0030.00316.45
7.4.190.0000.00816.47
7.4.160.0090.00616.44
7.4.150.0000.01716.42
7.4.140.0140.00916.47
7.4.130.0120.00516.42
7.4.120.0110.00616.31
7.4.110.0110.01216.39
7.4.100.0110.00516.34
7.4.90.0100.01516.35
7.4.80.0120.00619.39
7.4.70.0130.00316.35
7.4.60.0130.00316.36
7.4.50.0060.00316.16
7.4.40.0080.00516.49
7.4.30.0100.00516.32
7.4.00.0060.00614.93
7.3.330.0000.00613.11
7.3.320.0000.00713.12
7.3.310.0080.00016.00
7.3.300.0000.00616.14
7.3.290.0000.01516.18
7.3.280.0110.00616.18
7.3.270.0100.00716.13
7.3.260.0030.01416.04
7.3.250.0140.00316.37
7.3.240.0130.00316.23
7.3.230.0130.00416.21
7.3.210.0070.01016.24
7.3.200.0100.00716.18
7.3.190.0100.00716.39
7.3.180.0030.01216.57
7.3.170.0030.01216.13
7.3.160.0100.00616.20
7.3.120.0100.00614.75
7.2.330.0040.01516.43
7.2.320.0060.01116.41
7.2.310.0120.00916.29
7.2.300.0030.01516.55
7.2.290.0120.00616.44
7.2.00.0030.00919.33
7.1.200.0000.01115.49
7.1.100.0070.00717.91
7.1.70.0100.00016.91
7.1.60.0170.00719.40
7.1.50.0030.01717.02
7.1.00.0070.07722.36
7.0.200.0070.00016.51
7.0.140.0100.06722.09
7.0.120.0030.05322.18
7.0.60.0070.08720.03
7.0.50.0070.05717.96
7.0.40.0100.07320.05
7.0.30.0270.06320.06
7.0.20.0270.07720.19
7.0.10.0300.04720.07
7.0.00.0100.07320.07
5.6.280.0070.09020.90
5.6.210.0100.07020.59
5.6.200.0030.07318.12
5.6.190.0030.04720.53
5.6.180.0230.06020.77
5.6.170.0200.04320.48
5.6.160.0030.08720.62
5.6.150.0070.05018.19
5.6.140.0100.03718.27
5.6.130.0100.07718.28
5.6.120.0030.04021.14
5.6.110.0100.05720.98
5.6.100.0030.08321.01
5.6.90.0000.04320.96
5.6.80.0000.04720.27
5.6.70.3930.04020.37
5.5.350.0330.07320.35
5.5.340.0070.08717.95
5.5.330.0070.04320.47
5.5.320.0070.04020.28
5.5.310.0330.06020.42
5.5.300.0100.06717.99
5.5.290.0200.06718.08
5.5.280.0030.04320.61
5.5.270.0070.07020.84
5.5.260.0070.08320.86
5.5.250.0130.07720.58
5.5.240.0030.08020.18
5.4.450.0070.08319.41
5.4.440.0070.06319.17
5.4.430.0100.07019.26
5.4.420.0130.07719.52
5.4.410.0070.04319.12
5.4.400.0070.08018.85
5.4.390.0030.05719.16
5.4.380.0070.07718.87
5.4.370.0130.06018.92
5.4.360.0130.06319.05
5.4.350.0070.04719.16
5.4.340.0070.06019.12
5.4.320.0100.07319.08
5.4.310.0130.03719.14
5.4.300.0070.04319.14
5.4.290.0130.07319.20
5.4.280.0000.05319.24
5.4.270.0030.05319.07
5.4.260.0070.06019.23
5.4.250.0070.07019.21
5.4.240.0030.07719.14
5.4.230.0130.07318.84
5.4.220.0000.04718.87
5.4.210.0070.07019.11
5.4.200.0100.03719.11
5.4.190.0170.06719.23
5.4.180.0000.04319.07
5.4.170.0030.04019.14
5.4.160.0070.04718.96
5.4.150.0070.07318.98
5.4.140.0030.07016.36
5.4.130.0200.04716.35
5.4.120.0100.07316.55
5.4.110.0170.06316.53
5.4.100.0030.07716.42
5.4.90.0130.03716.55
5.4.80.0070.07016.32
5.4.70.0070.06716.42
5.4.60.0070.04316.36
5.4.50.0170.06316.30
5.4.40.0130.05316.27
5.4.30.0070.04316.39
5.4.20.0100.06716.42
5.4.10.0170.06316.64
5.4.00.0030.04315.82
5.3.290.0200.05314.66
5.3.280.0070.04014.59
5.3.270.0030.04714.61
5.3.260.0170.07014.63
5.3.250.0000.06714.63
5.3.240.0030.07014.63
5.3.230.0070.05314.61
5.3.220.0030.07714.64
5.3.210.0030.08014.58
5.3.200.0030.08014.71
5.3.190.0070.06714.56
5.3.180.0130.07014.55
5.3.170.0000.08014.59
5.3.160.0130.06714.62
5.3.150.0130.06714.56
5.3.140.0070.05014.55
5.3.130.0170.06314.59
5.3.120.0070.06014.69
5.3.110.0030.07714.70
5.3.100.0070.07314.04
5.3.90.0070.05714.05
5.3.80.0070.07314.02
5.3.70.0030.03713.90
5.3.60.0100.03014.02
5.3.50.0100.03313.89
5.3.40.0100.07014.09
5.3.30.0100.06713.96
5.3.20.0170.05713.76
5.3.10.0030.06313.80
5.3.00.0030.06713.63
5.2.170.0030.06311.14
5.2.160.0100.05711.30
5.2.150.0070.06011.09
5.2.140.0000.06711.14
5.2.130.0030.06311.17
5.2.120.0070.03311.05
5.2.110.0030.05710.98
5.2.100.0070.06311.09
5.2.90.0070.06011.09
5.2.80.0030.04711.04
5.2.70.0100.05711.01
5.2.60.0070.03311.10
5.2.50.0030.04311.01
5.2.40.0100.05011.04
5.2.30.0030.03711.02
5.2.20.0100.06010.98
5.2.10.0070.03010.92
5.2.00.0000.06310.85
5.1.60.0100.03310.16
5.1.50.0100.04310.05
5.1.40.0070.0309.99
5.1.30.0030.05310.33
5.1.20.0030.04710.40
5.1.10.0070.05310.13
5.1.00.0070.03310.10
5.0.50.0100.0208.45
5.0.40.0000.0408.46
5.0.30.0100.0378.12
5.0.20.0000.0238.36
5.0.10.0000.0408.23
5.0.00.0030.0678.12
4.4.90.0000.0377.80
4.4.80.0030.0307.80
4.4.70.0070.0307.80
4.4.60.0100.0307.80
4.4.50.0000.0337.80
4.4.40.0030.0377.80
4.4.30.0070.0307.80
4.4.20.0030.0177.80
4.4.10.0000.0337.80
4.4.00.0000.0537.80
4.3.110.0030.0337.80
4.3.100.0070.0277.80
4.3.90.0000.0237.80
4.3.80.0130.0437.80
4.3.70.0030.0177.80
4.3.60.0000.0337.80
4.3.50.0000.0237.80
4.3.40.0030.0307.80
4.3.30.0000.0207.80
4.3.20.0000.0377.80
4.3.10.0000.0377.80
4.3.00.0030.0207.80

preferences:
42.08 ms | 400 KiB | 5 Q