3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace some\amespace; class bar { function foo() { return "foo"; } } var_dump (is_callable('same\amespace\bar'));

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)
8.3.60.0070.01816.38
8.3.50.0120.00721.87
8.3.40.0110.00418.38
8.3.30.0100.01019.00
8.3.20.0040.00420.21
8.3.10.0040.00423.38
8.3.00.0030.00620.59
8.2.180.0140.00718.25
8.2.170.0100.00322.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00226.16
8.2.120.0080.00022.16
8.2.110.0090.00022.08
8.2.100.0040.00817.59
8.2.90.0040.00418.92
8.2.80.0050.00317.97
8.2.70.0030.00617.25
8.2.60.0040.00417.80
8.2.50.0090.00018.07
8.2.40.0050.00218.09
8.2.30.0040.00417.91
8.2.20.0020.00517.58
8.2.10.0070.00017.61
8.2.00.0040.00417.61
8.1.280.0040.01125.92
8.1.270.0060.00323.83
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.87
8.1.230.0070.00418.95
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0000.00817.23
8.1.190.0040.00417.27
8.1.180.0040.00418.10
8.1.170.0050.00318.32
8.1.160.0030.00622.00
8.1.150.0050.00318.51
8.1.140.0040.00417.32
8.1.130.0000.00717.69
8.1.120.0000.00717.34
8.1.110.0030.00417.21
8.1.100.0030.00617.38
8.1.90.0000.00717.35
8.1.80.0000.00717.36
8.1.70.0030.00317.16
8.1.60.0000.00917.35
8.1.50.0030.00517.36
8.1.40.0030.00517.38
8.1.30.0000.00917.42
8.1.20.0040.00417.44
8.1.10.0040.00417.40
8.1.00.0000.00917.28
8.0.300.0000.00818.77
8.0.290.0030.00317.05
8.0.280.0030.00318.33
8.0.270.0030.00317.09
8.0.260.0000.00716.70
8.0.250.0000.00616.83
8.0.240.0000.00816.86
8.0.230.0000.00716.85
8.0.220.0030.00316.79
8.0.210.0050.00216.67
8.0.200.0060.00016.69
8.0.190.0070.00016.73
8.0.180.0040.00416.71
8.0.170.0050.00316.75
8.0.160.0070.00016.78
8.0.150.0040.00416.84
8.0.140.0040.00416.75
8.0.130.0030.00313.24
8.0.120.0000.00716.63
8.0.110.0030.00516.59
8.0.100.0000.00716.73
8.0.90.0030.00616.63
8.0.80.0120.00316.81
8.0.70.0000.00816.63
8.0.60.0060.00316.63
8.0.50.0000.00716.71
8.0.30.0130.00816.81
8.0.20.0120.00917.40
8.0.10.0030.00516.76
8.0.00.0090.01116.47
7.4.330.0000.00515.00
7.4.320.0040.00416.38
7.4.300.0030.00316.44
7.4.290.0000.00716.48
7.4.280.0030.00316.39
7.4.270.0000.00716.49
7.4.260.0000.00616.50
7.4.250.0000.00716.39
7.4.240.0020.00516.49
7.4.230.0040.00416.20
7.4.220.0060.01116.50
7.4.210.0080.00816.39
7.4.200.0040.00416.22
7.4.190.0000.00816.35
7.4.160.0070.01016.42
7.4.150.0130.00617.40
7.4.140.0090.01217.86
7.4.130.0100.00616.34
7.4.120.0090.00916.34
7.4.110.0140.00316.40
7.4.100.0070.01016.34
7.4.90.0160.00516.51
7.4.80.0120.00619.39
7.4.70.0100.00616.40
7.4.60.0060.01016.31
7.4.50.0030.00516.36
7.4.40.0070.01022.77
7.4.30.0090.00916.25
7.4.00.0060.01114.77
7.3.330.0050.00013.05
7.3.320.0000.00713.26
7.3.310.0030.00316.28
7.3.300.0040.00416.16
7.3.290.0060.01216.18
7.3.280.0130.00516.19
7.3.270.0110.00617.40
7.3.260.0060.01316.21
7.3.250.0110.01016.49
7.3.240.0130.00316.05
7.3.230.0080.00816.40
7.3.210.0030.01316.26
7.3.200.0080.01019.39
7.3.190.0130.00916.43
7.3.180.0130.01016.14
7.3.170.0040.01116.38
7.3.160.0100.00716.10
7.3.120.0030.01014.84
7.3.110.0070.01114.86
7.3.100.0060.00614.45
7.3.90.0060.00614.57
7.3.80.0000.01314.68
7.3.70.0000.01814.82
7.3.60.0070.00714.67
7.3.50.0070.00714.36
7.3.40.0080.00814.43
7.3.30.0060.00914.73
7.3.20.0070.01016.33
7.3.10.0070.00716.21
7.3.00.0070.00316.67
7.2.330.0070.01316.48
7.2.320.0040.01816.57
7.2.310.0070.01316.27
7.2.300.0060.01016.51
7.2.290.0170.00016.63
7.2.250.0120.00614.86
7.2.240.0070.01314.95
7.2.230.0060.00914.62
7.2.220.0000.01315.04
7.2.210.0120.00314.88
7.2.200.0070.01014.94
7.2.190.0000.01514.71
7.2.180.0060.00614.93
7.2.170.0080.00414.60
7.2.00.0030.00719.17
7.1.330.0070.00715.77
7.1.320.0070.00715.56
7.1.310.0030.01015.42
7.1.300.0060.00615.32
7.1.290.0070.00715.51
7.1.280.0100.00715.62
7.1.270.0090.00615.70
7.1.260.0060.00315.83
7.1.200.0160.00315.32
7.1.100.0000.01417.76
7.1.70.0110.00316.84
7.1.60.0090.01519.29
7.1.50.0080.00516.77
7.1.00.0000.08022.48
7.0.200.0030.00716.70
7.0.140.0070.07022.04
7.0.120.0370.05720.23
7.0.110.0230.06020.24
7.0.100.0330.06020.07
7.0.90.0270.07320.20
7.0.80.0330.04020.18
7.0.70.0270.07320.33
7.0.60.0330.03720.17
7.0.50.0270.08020.34
7.0.40.0130.06020.00
7.0.30.0070.08319.95
7.0.20.0000.08720.10
7.0.10.0130.07720.09
7.0.00.0170.07720.14
5.6.280.0070.07020.91
5.6.270.0100.06320.91
5.6.260.0070.06720.82
5.6.250.0070.08020.95
5.6.240.0030.08020.94
5.6.230.0200.08020.97
5.6.220.0130.03020.86
5.6.210.0030.04320.90
5.6.200.0030.08321.03
5.6.190.0070.04021.03
5.6.180.0100.06320.95
5.6.170.0200.07320.70
5.6.160.0100.07320.89
5.6.150.0130.04320.79
5.6.140.0030.05020.97
5.6.130.0130.06321.03
5.6.120.0170.04721.00
5.6.110.0100.04720.84
5.6.100.0030.07020.98
5.6.90.0000.05320.94
5.6.80.0070.03720.23
5.6.70.0100.07320.24
5.6.60.0070.03720.40
5.6.50.0100.05720.38
5.6.40.0070.03720.25
5.6.30.0030.04720.12
5.6.20.0170.05720.14
5.6.10.0000.05020.36
5.6.00.0130.07020.34
5.5.380.0100.06717.56
5.5.370.0070.04717.59
5.5.360.0130.04017.53
5.5.350.0130.05717.68
5.5.340.0130.05317.93
5.5.330.0070.06718.22
5.5.320.0030.07318.09
5.5.310.0070.07718.14
5.5.300.0100.03718.08
5.5.290.0070.04717.93
5.5.280.0070.03717.93
5.5.270.0030.04018.11
5.5.260.0100.04718.12
5.5.250.0070.03717.94
5.5.240.0030.07317.50
5.5.230.0030.03717.29
5.5.220.0070.07317.30
5.5.210.0030.04017.58
5.5.200.0000.04717.58
5.5.190.0030.08017.57
5.5.180.0100.07017.57
5.5.160.0130.06717.47
5.5.150.0100.07017.27
5.5.140.0100.07717.18
5.5.130.0030.08017.57
5.5.120.0030.04017.48
5.5.110.0030.04317.29
5.5.100.0070.06317.51
5.5.90.0030.07317.50
5.5.80.0130.06017.30
5.5.70.0030.07317.34
5.5.60.0070.07017.15
5.5.50.0030.04717.15
5.5.40.0070.07317.29
5.5.30.0170.06717.15
5.5.20.0070.04717.32
5.5.10.0100.06317.16
5.5.00.0100.07317.45
5.4.450.0070.04019.41
5.4.440.0100.06719.25
5.4.430.0000.05319.25
5.4.420.0030.09019.45
5.4.410.0070.04319.30
5.4.400.0070.03318.95
5.4.390.0100.07718.95
5.4.380.0070.05319.26
5.4.370.0100.05718.95
5.4.360.0000.06018.89
5.4.350.0070.07019.10
5.4.340.0100.05018.97
5.4.320.0130.05319.25
5.4.310.0030.07318.93
5.4.300.0030.07719.10
5.4.290.0130.07018.96
5.4.280.0030.07719.18
5.4.270.0030.05318.95
5.4.260.0000.03719.18
5.4.250.0070.03319.02
5.4.240.0030.04719.10
5.4.230.0100.07718.89
5.4.220.0070.03318.92
5.4.210.0070.07019.18
5.4.200.0130.06719.10
5.4.190.0170.05318.91
5.4.180.0100.07019.07
5.4.170.0070.06318.96
5.4.160.0030.03718.91
5.4.150.0030.07318.87
5.4.140.0070.03716.30
5.4.130.0070.06016.41
5.4.120.0070.07016.50
5.4.110.0000.04316.30
5.4.100.0000.04016.38
5.4.90.0000.04016.41
5.4.80.0070.03316.51
5.4.70.0030.03716.48
5.4.60.0000.04316.33
5.4.50.0000.03716.43
5.4.40.0070.03016.23
5.4.30.0030.03316.43
5.4.20.0000.03716.50
5.4.10.0030.03716.32
5.4.00.0030.03315.77
5.3.290.0130.06714.64
5.3.280.0070.07314.55
5.3.270.0070.03714.59
5.3.260.0070.03314.69
5.3.250.0130.07014.55
5.3.240.0130.06014.61
5.3.230.0070.08014.59
5.3.220.0000.04014.52
5.3.210.0030.03714.68
5.3.200.0070.03714.52
5.3.190.0030.04014.68
5.3.180.0030.04314.41
5.3.170.0100.04014.59
5.3.160.0030.03714.55
5.3.150.0100.02714.51
5.3.140.0070.03014.78
5.3.130.0130.02714.66
5.3.120.0130.02714.55
5.3.110.0000.04014.67
5.3.100.0030.03714.07
5.3.90.0000.06714.03
5.3.80.0000.04313.97
5.3.70.0100.03014.08
5.3.60.0070.04013.97
5.3.50.0030.03713.95
5.3.40.0030.03714.02
5.3.30.0100.03314.00
5.3.20.0100.02713.91
5.3.10.0000.03713.61
5.3.00.0100.03013.64
5.2.170.0100.02311.15
5.2.160.0030.04011.20
5.2.150.0000.03311.06
5.2.140.0030.05011.21
5.2.130.0000.03011.17
5.2.120.0000.03011.04
5.2.110.0030.02711.12
5.2.100.0070.02311.05
5.2.90.0070.02711.12
5.2.80.0000.03011.05
5.2.70.0030.02711.16
5.2.60.0030.02710.93
5.2.50.0000.02711.17
5.2.40.0070.04311.14
5.2.30.0030.03010.99
5.2.20.0000.03010.75
5.2.10.0030.02010.77
5.2.00.0000.02310.93
5.1.60.0000.02310.15
5.1.50.0030.03310.15
5.1.40.0030.01710.15
5.1.30.0100.02010.41
5.1.20.0030.02310.57
5.1.10.0000.02310.22
5.1.00.0000.02310.15
5.0.50.0000.02310.15
5.0.40.0030.01310.15
5.0.30.0070.03010.15
5.0.20.0030.01310.15
5.0.10.0000.01710.15
5.0.00.0030.02310.15
4.4.90.0000.01710.15
4.4.80.0000.01710.15
4.4.70.0000.01710.15
4.4.60.0030.01010.15
4.4.50.0000.01310.15
4.4.40.0000.02010.15
4.4.30.0000.01310.15
4.4.20.0000.01310.15
4.4.10.0000.01310.15
4.4.00.0070.01710.15
4.3.110.0030.01010.15
4.3.100.0030.01010.15
4.3.90.0000.01310.15
4.3.80.0000.02010.15
4.3.70.0000.01310.15
4.3.60.0030.01010.15
4.3.50.0000.01310.15
4.3.40.0000.02710.15
4.3.30.0000.02710.15
4.3.20.0000.02010.15
4.3.10.0030.02310.15
4.3.00.0000.02010.15

preferences:
39.94 ms | 401 KiB | 5 Q