3v4l.org

run code in 300+ PHP versions simultaneously
<?php function callableFunction(){} $callable = 'callableFunction'; var_dump( is_callable( $callable ) ); var_dump( is_string( $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)
8.3.40.0070.00718.59
8.3.30.0110.00318.50
8.3.20.0040.00418.59
8.3.10.0000.00820.79
8.3.00.0070.00723.42
8.2.170.0070.01122.96
8.2.160.0100.00320.47
8.2.150.0070.00724.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.67
8.2.110.0030.00720.22
8.2.100.0090.00317.66
8.2.90.0060.00319.05
8.2.80.0040.00417.97
8.2.70.0040.00417.36
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0090.00018.05
8.2.30.0040.00419.34
8.2.20.0000.00717.57
8.2.10.0040.00417.61
8.2.00.0000.00717.73
8.1.270.0050.00223.99
8.1.260.0000.01426.35
8.1.250.0030.00628.09
8.1.240.0040.00422.47
8.1.230.0110.00021.02
8.1.220.0040.00418.77
8.1.210.0050.00318.81
8.1.200.0030.00617.13
8.1.190.0040.00417.53
8.1.180.0000.00918.10
8.1.170.0070.00018.48
8.1.160.0040.00418.73
8.1.150.0060.00318.44
8.1.140.0050.00317.33
8.1.130.0000.00717.86
8.1.120.0040.00417.44
8.1.110.0040.00417.34
8.1.100.0030.00617.43
8.1.90.0050.00217.42
8.1.80.0000.00817.29
8.1.70.0030.00317.27
8.1.60.0050.00217.34
8.1.50.0050.00217.40
8.1.40.0040.00417.49
8.1.30.0000.00817.63
8.1.20.0080.00017.56
8.1.10.0030.00617.35
8.1.00.0080.00017.26
8.0.300.0050.00319.77
8.0.290.0030.00317.05
8.0.280.0000.00718.36
8.0.270.0070.00017.18
8.0.260.0000.00618.37
8.0.250.0000.00716.79
8.0.240.0050.00616.90
8.0.230.0070.00016.92
8.0.220.0040.00416.75
8.0.210.0070.00016.73
8.0.200.0000.00616.84
8.0.190.0000.00816.92
8.0.180.0000.00716.84
8.0.170.0000.00816.72
8.0.160.0000.00716.78
8.0.150.0030.00316.67
8.0.140.0110.00016.84
8.0.130.0080.00013.24
8.0.120.0000.00716.70
8.0.110.0000.00716.76
8.0.100.0060.00316.59
8.0.90.0000.00816.77
8.0.80.0060.00916.85
8.0.70.0070.00016.69
8.0.60.0000.00716.68
8.0.50.0000.00716.93
8.0.30.0140.00516.99
8.0.20.0130.00517.40
8.0.10.0040.00416.86
8.0.00.0080.01016.73
7.4.330.0040.00413.43
7.4.320.0030.00616.29
7.4.300.0070.00016.45
7.4.290.0040.00416.38
7.4.280.0030.00316.41
7.4.270.0070.00016.37
7.4.260.0000.00613.21
7.4.250.0040.00416.40
7.4.240.0000.00716.40
7.4.230.0050.00216.41
7.4.220.0120.01116.53
7.4.210.0070.01116.48
7.4.200.0000.00816.42
7.4.190.0030.00316.69
7.4.160.0080.00816.38
7.4.150.0130.00317.40
7.4.140.0100.00817.86
7.4.130.0100.00716.39
7.4.120.0120.00416.38
7.4.110.0140.00416.48
7.4.100.0100.00716.32
7.4.90.0220.00016.53
7.4.80.0120.00419.39
7.4.70.0070.01016.28
7.4.60.0130.00916.41
7.4.50.0060.00316.14
7.4.40.0090.00622.52
7.4.30.0060.00916.43
7.4.00.0040.01414.71
7.3.330.0000.00513.20
7.3.320.0000.00512.95
7.3.310.0000.00716.21
7.3.300.0030.00316.19
7.3.290.0100.00716.15
7.3.280.0110.00816.21
7.3.270.0070.01017.40
7.3.260.0110.00818.24
7.3.250.0150.00516.32
7.3.240.0000.01716.24
7.3.230.0110.00516.39
7.3.210.0100.01116.03
7.3.200.0090.00919.39
7.3.190.0070.01316.31
7.3.180.0160.00016.37
7.3.170.0110.01116.57
7.3.160.0030.01716.35
7.3.120.0110.00314.86
7.2.330.0100.01016.38
7.2.320.0130.00316.50
7.2.310.0110.00716.54
7.2.300.0100.00716.57
7.2.290.0100.00716.45
7.2.00.0150.00319.36
7.1.100.0030.00618.07
7.1.70.0000.01017.22
7.1.60.0100.01419.40
7.1.50.0160.00917.03
7.1.00.0000.06022.34
7.0.200.0040.00416.65
7.0.140.0070.06722.12
7.0.70.0000.06321.67
7.0.60.0030.06321.61
7.0.50.0030.08722.17
7.0.40.0030.07020.18
7.0.30.0030.08320.14
7.0.20.0030.07720.13
7.0.10.0000.06320.07
7.0.00.0030.05020.03
5.6.280.0070.07020.89
5.6.220.0070.07320.45
5.6.210.0070.04720.56
5.6.200.0000.08021.03
5.6.190.0100.07721.00
5.6.180.0000.05720.91
5.6.170.0170.06021.05
5.6.160.0000.08720.91
5.6.150.0000.08721.17
5.6.140.0070.07721.03
5.6.130.0030.06721.16
5.6.120.0070.07021.05
5.6.110.0070.07321.09
5.6.100.0130.06721.00
5.6.90.0030.04020.91
5.6.80.0000.05320.45
5.6.70.0070.06720.54
5.6.60.0030.08020.46
5.6.50.0170.05320.40
5.6.40.0030.07020.37
5.6.30.0070.05320.33
5.6.20.0030.07320.48
5.6.10.0030.06720.42
5.6.00.0030.07020.40
5.5.360.0000.08020.38
5.5.350.0030.06320.39
5.5.340.0030.07720.75
5.5.330.0030.05720.79
5.5.320.0100.08020.82
5.5.310.0030.06020.85
5.5.300.0070.06020.81
5.5.290.0100.08020.82
5.5.280.0000.08020.89
5.5.270.0070.07320.75
5.5.260.0000.05720.84
5.5.250.0000.04320.69
5.5.240.0030.04020.26
5.5.230.0100.07020.25
5.5.220.0030.07020.14
5.5.210.0000.08020.22
5.5.200.0100.06720.21
5.5.190.0070.08020.03
5.5.180.0070.06020.11
5.5.160.0030.07720.22
5.5.150.0030.08320.10
5.5.140.0030.06320.18
5.5.130.0070.07020.07
5.5.120.0030.06319.98
5.5.110.0000.08320.23
5.5.100.0000.06020.06
5.5.90.0070.07720.14
5.5.80.0070.05720.06
5.5.70.0070.07320.05
5.5.60.0070.06320.08
5.5.50.0030.06320.05
5.5.40.0070.03720.08
5.5.30.0100.07019.95
5.5.20.0030.07720.14
5.5.10.0030.06020.11
5.5.00.0100.07719.95
5.4.450.0030.04019.45
5.4.440.0170.06719.49
5.4.430.0030.08019.53
5.4.420.0030.06319.45
5.4.410.0000.04319.29
5.4.400.0000.05018.88
5.4.390.0070.07718.87
5.4.380.0000.05318.93
5.4.370.0030.06019.18
5.4.360.0030.07718.87
5.4.350.0070.04719.02
5.4.340.0000.05019.18
5.4.320.0000.06019.16
5.4.310.0030.08019.11
5.4.300.0030.07318.88
5.4.290.0030.08319.01
5.4.280.0070.06018.86
5.4.270.0000.07318.88
5.4.260.0070.04719.18
5.4.250.0070.06719.10
5.4.240.0000.06019.02
5.4.230.0000.07718.92
5.4.220.0030.07019.08
5.4.210.0000.05719.02
5.4.200.0070.03719.15
5.4.190.0070.07019.00
5.4.180.0070.07018.86
5.4.170.0070.07319.17
5.4.160.0070.07319.01
5.4.150.0000.06319.16
5.4.140.0030.06716.41
5.4.130.0000.07316.19
5.4.120.0000.07316.40
5.4.110.0070.06716.48
5.4.100.0000.08316.30
5.4.90.0000.07316.50
5.4.80.0000.05716.45
5.4.70.0070.06716.47
5.4.60.0100.03016.41
5.4.50.0030.03716.41
5.4.40.0000.03716.47
5.4.30.0000.05716.41
5.4.20.0030.05716.39
5.4.10.0000.05316.52
5.4.00.0030.07015.80
5.3.290.0070.07314.66
5.3.280.0000.08014.62
5.3.270.0200.06314.54
5.3.260.0070.06314.71
5.3.250.0000.06714.66
5.3.240.0030.07314.64
5.3.230.0000.07714.60
5.3.220.0000.08014.67
5.3.210.0030.07314.50
5.3.200.0100.07014.45
5.3.190.0030.07014.49
5.3.180.0070.05014.54
5.3.170.0000.06714.62
5.3.160.0000.08014.58
5.3.150.0100.07014.52
5.3.140.0070.04014.52
5.3.130.0000.04314.55
5.3.120.0030.05714.44
5.3.110.0000.07014.60
5.3.100.0030.06014.14
5.3.90.0000.05714.11
5.3.80.0000.04314.10
5.3.70.0000.05014.11
5.3.60.0070.06714.11
5.3.50.0070.03713.86
5.3.40.0000.06014.00
5.3.30.0070.07013.88
5.3.20.0130.06313.71
5.3.10.0000.06013.65
5.3.00.0030.05713.53
5.2.170.0030.05311.20
5.2.160.0030.05711.07
5.2.150.0030.04711.19
5.2.140.0030.06011.06
5.2.130.0030.06011.23
5.2.120.0030.04311.20
5.2.110.0030.05311.02
5.2.100.0070.06011.18
5.2.90.0000.05311.18
5.2.80.0000.05711.23
5.2.70.0000.07011.21
5.2.60.0030.05711.07
5.2.50.0000.06011.11
5.2.40.0030.06010.98
5.2.30.0000.06710.82
5.2.20.0030.04710.98
5.2.10.0000.05310.88
5.2.00.0000.05310.74
5.1.60.0000.05010.32
5.1.50.0070.04710.32
5.1.40.0030.04010.32
5.1.30.0030.03010.43
5.1.20.0000.05010.32
5.1.10.0000.06010.32
5.1.00.0130.04010.32
5.0.50.0070.04010.32
5.0.40.0000.04010.32
5.0.30.0030.05710.32
5.0.20.0000.03710.32
5.0.10.0030.02310.32
5.0.00.0000.04010.32
4.4.90.0070.03010.32
4.4.80.0030.03010.32
4.4.70.0000.04010.32
4.4.60.0000.02710.32
4.4.50.0030.02310.32
4.4.40.0000.05010.32
4.4.30.0000.03310.32
4.4.20.0000.03710.32
4.4.10.0000.02010.32
4.4.00.0000.05310.32
4.3.110.0030.03010.32
4.3.100.0000.03010.32
4.3.90.0030.02310.32
4.3.80.0000.05710.32
4.3.70.0000.03310.32
4.3.60.0000.03310.32
4.3.50.0000.01710.32
4.3.40.0000.05010.32
4.3.30.0030.03310.32
4.3.20.0030.03310.32
4.3.10.0000.03710.32
4.3.00.0000.03310.32

preferences:
58.18 ms | 400 KiB | 5 Q