3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { static public function o() { return true;} } $cls = [ a::o(), 'a::o','strpos::test' , 'strlen', function(){}, null]; foreach($cls as $cl) { echo "is_callable\n"; var_dump(is_callable($cl)); echo "is_callable by syntax\n"; var_dump(is_callable($cl,true)); echo "instance of closure\n"; var_dump($cl instanceof Closure); }

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)
8.3.60.0150.00616.50
8.3.50.0100.00722.01
8.3.40.0120.00318.81
8.3.30.0100.00619.17
8.3.20.0060.00320.13
8.3.10.0040.00423.46
8.3.00.0080.00019.21
8.2.180.0140.00018.29
8.2.170.0140.00722.96
8.2.160.0060.00920.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00820.85
8.2.110.0030.00622.15
8.2.100.0000.01119.38
8.2.90.0000.00719.30
8.2.80.0030.00617.97
8.2.70.0080.00317.63
8.2.60.0080.00017.78
8.2.50.0040.00418.07
8.2.40.0030.00521.11
8.2.30.0040.00418.18
8.2.20.0000.00717.72
8.2.10.0030.00518.13
8.2.00.0000.00717.61
8.1.280.0040.01125.92
8.1.270.0030.00523.98
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00624.01
8.1.230.0070.00419.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.35
8.1.190.0040.00417.25
8.1.180.0040.00418.10
8.1.170.0050.00318.71
8.1.160.0030.00522.03
8.1.150.0000.00818.66
8.1.140.0060.00317.47
8.1.130.0000.00717.81
8.1.120.0000.00717.48
8.1.110.0000.00717.44
8.1.100.0030.00517.51
8.1.90.0030.00517.48
8.1.80.0040.00417.53
8.1.70.0000.00717.45
8.1.60.0040.00417.65
8.1.50.0040.00417.59
8.1.40.0040.00417.57
8.1.30.0050.00317.55
8.1.20.0030.00517.53
8.1.10.0000.00817.46
8.1.00.0000.00817.53
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0000.00718.49
8.0.270.0000.00717.31
8.0.260.0000.00617.14
8.0.250.0000.00716.86
8.0.240.0000.00716.98
8.0.230.0000.00717.02
8.0.220.0030.00316.91
8.0.210.0030.00316.96
8.0.200.0030.00316.87
8.0.190.0030.00516.95
8.0.180.0040.00416.91
8.0.170.0080.00016.95
8.0.160.0030.00316.77
8.0.150.0030.00316.83
8.0.140.0000.00716.88
8.0.130.0070.00013.39
8.0.120.0050.00316.89
8.0.110.0050.00216.80
8.0.100.0000.00716.70
8.0.90.0050.00316.89
8.0.80.0090.00616.87
8.0.70.0000.00716.86
8.0.60.0040.00416.89
8.0.50.0000.00916.74
8.0.30.0080.01017.21
8.0.20.0120.00717.40
8.0.10.0040.00417.14
8.0.00.0080.01016.89
7.4.330.0000.00515.08
7.4.320.0030.00316.50
7.4.300.0040.00416.49
7.4.290.0000.00716.42
7.4.280.0040.00416.52
7.4.270.0030.00316.41
7.4.260.0100.00016.61
7.4.250.0070.00016.53
7.4.240.0050.00216.59
7.4.230.0070.00016.59
7.4.220.0090.00916.57
7.4.210.0050.00916.63
7.4.200.0000.00716.65
7.4.190.0070.00016.55
7.4.160.0070.01016.60
7.4.150.0140.00417.40
7.4.140.0130.00417.86
7.4.130.0090.01016.54
7.4.120.0090.01216.57
7.4.110.0050.01816.72
7.4.100.0140.00416.39
7.4.90.0120.00616.49
7.4.80.0030.01519.39
7.4.70.0060.00916.57
7.4.60.0090.00816.45
7.4.50.0060.00316.51
7.4.40.0110.00716.71
7.4.30.0060.00916.38
7.4.00.0040.01214.66
7.3.330.0080.00013.39
7.3.320.0030.00313.40
7.3.310.0030.00316.47
7.3.300.0000.00716.34
7.3.290.0090.00916.29
7.3.280.0100.00916.38
7.3.270.0140.00617.40
7.3.260.0100.01016.38
7.3.250.0120.00616.57
7.3.240.0120.00816.37
7.3.230.0040.01416.47
7.3.210.0100.01016.41
7.3.200.0150.00619.39
7.3.190.0110.01116.58
7.3.180.0130.00716.38
7.3.170.0160.00016.44
7.3.160.0090.00616.64
7.3.120.0090.00614.84
7.3.10.0050.00916.46
7.3.00.0110.00616.41
7.2.330.0090.00916.77
7.2.320.0090.00916.48
7.2.310.0040.01416.72
7.2.300.0030.01316.83
7.2.290.0000.01716.54
7.2.130.0120.00616.57
7.2.120.0180.00816.55
7.2.110.0060.00816.61
7.2.100.0190.00316.82
7.2.90.0110.00816.99
7.2.80.0120.00916.67
7.2.70.0090.00916.93
7.2.60.0090.00916.76
7.2.50.0190.00716.64
7.2.40.0210.00516.78
7.2.30.0300.01117.04
7.2.20.0220.00217.03
7.2.10.0280.00516.71
7.2.00.0150.01017.55
7.1.250.0110.00315.67
7.1.200.0040.01115.73
7.1.100.0100.00717.85
7.1.70.0070.00317.12
7.1.60.0130.01019.46
7.1.50.0060.01616.79
7.1.00.0030.07022.44
7.0.200.0000.00816.43
7.0.140.0030.07322.09
7.0.60.0200.07019.82
7.0.50.0070.08317.93
7.0.40.0030.06320.11
7.0.30.0330.07320.06
7.0.20.0300.07320.12
7.0.10.0070.08720.35
7.0.00.0170.04020.14
5.6.280.0070.07020.99
5.6.210.0200.07320.75
5.6.200.0030.05018.22
5.6.190.0100.04720.41
5.6.180.0030.04320.63
5.6.170.0200.08320.39
5.6.160.0070.05720.54
5.6.150.0030.06318.21
5.6.140.0100.06718.18
5.6.130.0130.03018.17
5.6.120.0100.07721.00
5.6.110.0200.07321.02
5.6.100.0030.04020.98
5.6.90.0200.06020.97
5.6.80.0030.06720.36
5.5.350.3100.04020.39
5.5.340.0070.07018.09
5.5.330.0130.04720.35
5.5.320.0270.04020.31
5.5.310.0300.06720.31
5.5.300.0030.04018.04
5.5.290.0170.05017.96
5.5.280.0170.02720.70
5.5.270.0100.07320.64
5.5.260.0070.08320.64
5.5.250.0130.07320.72
5.5.240.0030.07320.20
5.4.450.1600.04019.55
5.4.440.0200.05746.74
5.4.430.0530.04040.27
5.4.420.0200.05037.99
5.4.410.0270.05036.48
5.4.400.0370.03333.01
5.4.390.0300.04731.63
5.4.380.0270.04318.70
5.4.370.0230.06718.49
5.4.360.0300.05318.61
5.4.350.0130.06718.70
5.4.340.0330.05718.46
5.4.320.0080.03612.50
5.4.310.0050.04212.50
5.4.300.0070.05112.50
5.4.290.0070.05512.50
5.4.280.0050.05512.39
5.4.270.0090.05112.40
5.4.260.0100.05412.39
5.4.250.0070.04312.39
5.4.240.0080.04512.40
5.4.230.0080.04412.39
5.4.220.0170.03912.39
5.4.210.0090.04912.39
5.4.200.0060.04612.39
5.4.190.0110.04112.38
5.4.180.0070.05112.39
5.4.170.0120.04212.39
5.4.160.0080.04612.39
5.4.150.0080.04912.39
5.4.140.0090.05312.07
5.4.130.0070.05212.06
5.4.120.0090.05212.02
5.4.110.0050.04712.01
5.4.100.0070.06212.01
5.4.90.0090.06812.02
5.4.80.0110.04512.01
5.4.70.0090.05312.01
5.4.60.0100.06012.01
5.4.50.0060.05612.01
5.4.40.0080.05212.00
5.4.30.0080.05011.99
5.4.20.0140.04611.99
5.4.10.0100.04912.00
5.4.00.0120.04811.48
5.3.290.0050.04112.80
5.3.280.0070.05412.71
5.3.270.0070.05712.73
5.3.260.0070.06112.71
5.3.250.0130.08912.72
5.3.240.0060.06512.72
5.3.230.0040.05512.70
5.3.220.0070.05512.68
5.3.210.0110.05612.68
5.3.200.0120.06212.68
5.3.190.0140.06812.67
5.3.180.0190.06912.68
5.3.170.0140.04512.67
5.3.160.0080.05012.67
5.3.150.0120.04712.67
5.3.140.0120.04412.66
5.3.130.0040.05512.66
5.3.120.0090.05212.65
5.3.110.0060.04912.66
5.3.100.0070.04912.12
5.3.90.0080.05012.11
5.3.80.0110.04512.09
5.3.70.0100.04912.09
5.3.60.0090.04612.08
5.3.50.0110.04312.02
5.3.40.0090.04612.02
5.3.30.0150.04411.98
5.3.20.0100.04511.77
5.3.10.0110.04611.73
5.3.00.0120.04711.72
5.2.170.0090.0399.22
5.2.160.0050.0439.22
5.2.150.0100.0429.21
5.2.140.0090.0369.21
5.2.130.0080.0339.18
5.2.120.0060.0299.17
5.2.110.0080.0369.18
5.2.100.0070.0399.18
5.2.90.0090.0389.17
5.2.80.0070.0389.18
5.2.70.0100.0359.18
5.2.60.0120.0349.13
5.2.50.0100.0359.10
5.2.40.0060.0339.07
5.2.30.0030.0439.05
5.2.20.0080.0379.04
5.2.10.0050.0388.95
5.2.00.0040.0408.80
5.1.60.0070.0308.09
5.1.50.0070.0318.08
5.1.40.0060.0298.07
5.1.30.0040.0298.42
5.1.20.0040.0338.44
5.1.10.0040.0288.16
5.1.00.0040.0288.16
5.0.50.0010.0246.64
5.0.40.0060.0206.50
5.0.30.0030.0406.31
5.0.20.0040.0246.28
5.0.10.0040.0226.26
5.0.00.0060.0316.25
4.4.90.0040.0184.77
4.4.80.0050.0164.75
4.4.70.0050.0164.76
4.4.60.0030.0184.75
4.4.50.0050.0154.77
4.4.40.0040.0264.71
4.4.30.0060.0204.76
4.4.20.0030.0174.85
4.4.10.0050.0154.85
4.4.00.0050.0254.76
4.3.110.0040.0164.67
4.3.100.0040.0164.67
4.3.90.0060.0144.63
4.3.80.0020.0274.59
4.3.70.0030.0224.63
4.3.60.0060.0164.63
4.3.50.0050.0164.62
4.3.40.0040.0264.54
4.3.30.0010.0193.30
4.3.20.0040.0163.28
4.3.10.0030.0183.24
4.3.00.0000.02031.61

preferences:
98 ms | 401 KiB | 5 Q