3v4l.org

run code in 300+ PHP versions simultaneously
<?php $callable = "Class::czdayshortly"; if (is_callable($callable, FALSE, $text)) { echo "supr"; } else { echo "ook"; } $functionVariable = 'someFunction($a, $b)'; var_dump(is_callable($functionVariable, false, $callable_name));

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)
8.3.40.0140.00718.71
8.3.30.0070.00718.92
8.3.20.0000.00720.16
8.3.10.0000.00823.71
8.3.00.0090.00019.25
8.2.170.0200.00022.96
8.2.160.0170.00322.11
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0100.00326.16
8.2.120.0080.00022.25
8.2.110.0040.00422.05
8.2.100.0060.00617.72
8.2.90.0030.00519.04
8.2.80.0000.00818.05
8.2.70.0030.00617.63
8.2.60.0000.00717.93
8.2.50.0030.00518.07
8.2.40.0000.00819.95
8.2.30.0040.00419.69
8.2.20.0080.00017.58
8.2.10.0040.00419.78
8.2.00.0000.01017.68
8.1.270.0000.00823.79
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0090.00023.79
8.1.230.0040.00719.14
8.1.220.0080.00017.76
8.1.210.0060.00318.77
8.1.200.0100.00017.36
8.1.190.0030.00617.41
8.1.180.0030.00618.10
8.1.170.0050.00318.46
8.1.160.0050.00221.95
8.1.150.0050.00518.49
8.1.140.0040.00417.43
8.1.130.0030.00317.81
8.1.120.0000.00717.31
8.1.110.0040.00417.29
8.1.100.0000.00717.29
8.1.90.0070.00017.39
8.1.80.0080.00317.37
8.1.70.0000.00817.28
8.1.60.0050.00217.53
8.1.50.0080.00017.42
8.1.40.0040.00417.35
8.1.30.0050.00317.51
8.1.20.0030.00617.42
8.1.10.0070.00017.52
8.1.00.0040.00417.30
8.0.300.0040.00418.77
8.0.290.0040.00417.01
8.0.280.0080.00018.38
8.0.270.0070.00017.24
8.0.260.0000.00717.14
8.0.250.0030.00316.79
8.0.240.0000.00716.81
8.0.230.0030.00316.84
8.0.220.0000.00716.87
8.0.210.0000.00716.84
8.0.200.0030.00316.75
8.0.190.0030.00516.77
8.0.180.0070.00016.76
8.0.170.0040.00416.88
8.0.160.0060.00316.89
8.0.150.0000.00716.79
8.0.140.0000.00716.80
8.0.130.0030.00313.24
8.0.120.0000.00816.79
8.0.110.0000.00716.72
8.0.100.0040.00416.85
8.0.90.0000.00716.68
8.0.80.0040.01116.78
8.0.70.0070.00016.81
8.0.60.0040.00416.82
8.0.50.0030.00316.64
8.0.30.0100.00817.15
8.0.20.0130.00617.40
8.0.10.0000.00716.78
8.0.00.0080.01316.73
7.4.330.0070.00015.00
7.4.320.0070.00016.48
7.4.300.0060.00016.45
7.4.290.0000.00716.54
7.4.280.0020.00516.47
7.4.270.0000.00716.37
7.4.260.0000.00816.32
7.4.250.0000.00716.49
7.4.240.0020.00516.48
7.4.230.0020.00516.34
7.4.220.0090.01316.57
7.4.210.0060.01016.44
7.4.200.0030.00316.43
7.4.190.0050.00216.35
7.4.160.0110.00716.51
7.4.150.0080.00917.40
7.4.140.0090.00817.86
7.4.130.0080.01016.39
7.4.120.0050.01316.43
7.4.110.0130.00816.49
7.4.100.0120.00616.53
7.4.90.0140.01016.28
7.4.80.0060.01219.39
7.4.70.0090.00616.48
7.4.60.0100.00716.45
7.4.50.0060.00316.57
7.4.40.0100.00916.40
7.4.30.0060.01016.53
7.4.10.0130.00615.05
7.4.00.0050.01214.81
7.3.330.0030.00312.95
7.3.320.0080.00013.12
7.3.310.0040.00416.00
7.3.300.0070.00016.05
7.3.290.0090.00916.09
7.3.280.0030.01416.15
7.3.270.0090.00917.40
7.3.260.0080.00816.34
7.3.250.0110.01216.32
7.3.240.0130.00316.29
7.3.230.0150.00616.39
7.3.210.0170.00716.45
7.3.200.0040.01419.39
7.3.190.0170.00616.32
7.3.180.0110.00516.34
7.3.170.0120.00916.27
7.3.160.0100.00616.42
7.3.130.0110.00714.59
7.3.120.0030.01214.83
7.3.110.0100.00714.80
7.3.100.0110.00414.98
7.3.90.0150.00314.68
7.3.80.0040.00714.52
7.3.70.0070.00714.80
7.3.60.0100.00714.27
7.3.50.0110.00014.85
7.3.40.0070.01114.61
7.3.30.0060.00914.52
7.3.20.0090.00916.60
7.3.10.0060.00316.41
7.3.00.0120.00616.52
7.2.330.0130.00616.34
7.2.320.0100.00716.45
7.2.310.0030.01416.30
7.2.300.0130.00316.27
7.2.290.0170.00016.54
7.2.260.0130.00714.83
7.2.250.0100.00714.88
7.2.240.0090.00614.95
7.2.230.0080.00714.81
7.2.220.0060.00615.18
7.2.210.0000.00914.61
7.2.200.0040.01514.95
7.2.190.0000.01314.94
7.2.180.0030.01014.87
7.2.170.0100.00714.95
7.2.160.0060.00914.96
7.2.150.0060.00916.77
7.2.140.0000.01616.77
7.2.130.0120.00316.80
7.2.120.0120.00016.33
7.2.110.0030.01016.87
7.2.100.0030.01416.69
7.2.90.0090.00916.75
7.2.80.0070.00716.76
7.2.70.0070.00716.76
7.2.60.0070.00316.60
7.2.50.0000.01316.67
7.2.40.0030.01016.89
7.2.30.0100.00616.66
7.2.20.0030.01016.73
7.2.10.0060.00616.62
7.2.00.0060.00618.12
7.1.330.0070.01015.94
7.1.320.0030.01415.66
7.1.310.0040.01115.54
7.1.300.0120.00015.70
7.1.290.0090.00615.92
7.1.280.0000.01815.54
7.1.270.0110.00715.75
7.1.260.0030.01315.73
7.1.250.0070.00715.84
7.1.240.0030.01115.58
7.1.230.0030.01015.92
7.1.220.0030.01115.77
7.1.210.0000.01215.70
7.1.200.0070.00715.37
7.1.190.0000.01015.40
7.1.180.0030.00515.62
7.1.170.0060.00915.69
7.1.160.0070.00415.79
7.1.150.0040.00715.76
7.1.140.0060.00615.52
7.1.130.0100.00715.68
7.1.120.0070.00415.63
7.1.110.0120.00015.88
7.1.100.0100.01116.66
7.1.90.0040.00815.49
7.1.80.0000.01115.87
7.1.70.0060.00616.46
7.1.60.0090.00517.53
7.1.50.0060.01216.16
7.1.40.0000.00815.34
7.1.30.0070.00715.88
7.1.20.0000.01415.67
7.1.10.0080.00615.46
7.1.00.0030.04419.04
7.0.330.0000.01515.39
7.0.320.0040.00715.39
7.0.310.0100.00715.39
7.0.300.0040.00415.09
7.0.290.0050.00815.30
7.0.280.0070.00715.41
7.0.270.0000.01215.20
7.0.260.0090.00015.08
7.0.250.0040.00715.47
7.0.240.0100.00315.04
7.0.230.0030.00915.25
7.0.220.0070.00715.25
7.0.210.0000.00915.24
7.0.200.0080.00714.87
7.0.190.0040.01115.18
7.0.180.0030.01015.51
7.0.170.0030.00915.49
7.0.160.0090.00615.41
7.0.150.0070.00715.34
7.0.140.0070.04018.72
7.0.130.0000.01115.48
7.0.120.0070.00715.34
7.0.110.0080.00315.44
7.0.100.0040.01115.45
7.0.90.0030.01015.31
7.0.80.0030.01315.32
7.0.70.0000.01615.25
7.0.60.0060.03317.76
7.0.50.0050.04116.78
7.0.40.0070.04416.76
7.0.30.0100.02716.80
7.0.20.0110.04016.71
7.0.10.0060.04616.71
7.0.00.0080.02816.89
5.6.400.0040.00714.39
5.6.390.0040.00814.49
5.6.380.0000.00914.41
5.6.370.0030.01014.09
5.6.360.0040.01114.43
5.6.350.0100.00314.02
5.6.340.0040.00714.25
5.6.330.0100.00714.29
5.6.320.0000.01414.50
5.6.310.0040.00714.01
5.6.300.0040.01214.23
5.6.290.0080.00814.32
5.6.280.0050.03817.71
5.6.270.0030.01114.39
5.6.260.0040.01114.21
5.6.250.0060.00614.31
5.6.240.0000.01614.26
5.6.230.0090.00614.54
5.6.220.0080.00814.41
5.6.210.0080.03817.50
5.6.200.0030.04716.24
5.6.190.0110.04317.28
5.6.180.0100.04017.38
5.6.170.0170.02717.47
5.6.160.0040.02917.53
5.6.150.0050.02416.17
5.6.140.0070.04216.20
5.6.130.0030.04416.24
5.6.120.0100.03017.71
5.6.110.0020.03117.57
5.6.100.0110.03617.54
5.6.90.0100.02317.63
5.6.80.0110.03817.14
5.6.70.0060.00614.07
5.6.60.0060.01014.07
5.6.50.0100.00314.27
5.6.40.0050.00514.24
5.6.30.0040.01113.98
5.6.20.0090.00614.13
5.6.10.0030.00814.35
5.6.00.0000.01614.46
5.5.380.0040.01113.98
5.5.370.0030.00813.98
5.5.360.0100.00714.09
5.5.350.0040.04617.30
5.5.340.0070.04016.12
5.5.330.0120.04317.15
5.5.320.0050.04517.34
5.5.310.0230.03817.17
5.5.300.0100.03816.07
5.5.290.0070.04316.09
5.5.280.0070.04417.67
5.5.270.0130.04117.48
5.5.260.0020.05017.41
5.5.250.0050.02217.20
5.5.240.0150.03917.04
5.5.230.0080.00813.91
5.5.220.0070.01013.80
5.5.210.0030.01013.93
5.5.200.0000.01213.70
5.5.190.0110.00414.12
5.5.180.0060.00913.82
5.5.170.0130.00013.77
5.5.160.0090.00614.18
5.5.150.0060.00313.55
5.5.140.0070.00314.08
5.5.130.0060.00314.06
5.5.120.0070.00713.94
5.5.110.0090.00614.13
5.5.100.0080.00813.90
5.5.90.0030.00613.96
5.5.80.0110.00414.07
5.5.70.0040.00814.05
5.5.60.0140.00013.95
5.5.50.0070.00313.76
5.5.40.0030.01013.88
5.5.30.0030.00613.62
5.5.20.0060.00913.81
5.5.10.0080.00414.08
5.5.00.0000.01413.54
5.4.450.0350.03415.77
5.4.440.0330.03215.79
5.4.430.0200.03315.66
5.4.420.0380.03015.77
5.4.410.0330.03115.61
5.4.400.0400.02915.59
5.4.390.0390.03515.70
5.4.380.0180.03115.33
5.4.370.0180.02815.37
5.4.360.0190.02615.35
5.4.350.0180.02815.29
5.4.340.0120.02915.41
5.4.330.0030.01012.09
5.4.320.0050.02112.27
5.4.310.0050.02212.27
5.4.300.0060.02212.27
5.4.290.0060.02612.26
5.4.280.0070.02712.21
5.4.270.0080.02812.21
5.4.260.0090.02712.21
5.4.250.0070.02512.21
5.4.240.0070.02412.21
5.4.230.0040.03312.21
5.4.220.0070.02312.21
5.4.210.0050.02312.21
5.4.200.0070.02712.21
5.4.190.0060.02112.21
5.4.180.0050.02112.21
5.4.170.0040.02212.21
5.4.160.0010.02512.21
5.4.150.0040.02412.21
5.4.140.0050.02112.05
5.4.130.0090.02212.04
5.4.120.0040.03112.02
5.4.110.0070.02112.02
5.4.100.0030.02212.02
5.4.90.0070.03112.02
5.4.80.0040.02712.02
5.4.70.0050.03112.02
5.4.60.0060.03312.02
5.4.50.0040.02312.02
5.4.40.0040.02912.01
5.4.30.0070.02412.01
5.4.20.0050.02212.01
5.4.10.0080.01912.01
5.4.00.0040.02211.75
5.3.290.0080.01912.45
5.3.280.0050.02912.40
5.3.270.0100.02612.41
5.3.260.0060.03212.41
5.3.250.0080.02612.41
5.3.240.0090.03012.41
5.3.230.0060.03512.40
5.3.220.0080.03712.39
5.3.210.0070.02512.39
5.3.200.0020.02712.39
5.3.190.0050.02912.38
5.3.180.0060.03212.38
5.3.170.0030.02812.38
5.3.160.0080.02012.38
5.3.150.0060.02212.38
5.3.140.0050.02612.38
5.3.130.0040.02512.38
5.3.120.0030.02612.38
5.3.110.0050.02212.38
5.3.100.0070.02312.11
5.3.90.0070.02212.09
5.3.80.0020.02512.09
5.3.70.0050.02212.09
5.3.60.0080.02612.08
5.3.50.0080.02612.05
5.3.40.0070.02112.05
5.3.30.0060.02812.02
5.3.20.0070.02711.91
5.3.10.0030.03111.89
5.3.00.0080.02711.88
5.2.170.0040.0459.18
5.2.160.0060.0429.18
5.2.150.0070.0429.17
5.2.140.0040.0469.18
5.2.130.0060.0419.13
5.2.120.0030.0429.14
5.2.110.0050.0309.14
5.2.100.0060.0409.14
5.2.90.0050.0439.14
5.2.80.0090.0339.13
5.2.70.0070.0339.14
5.2.60.0060.0359.09
5.2.50.0080.0359.05
5.2.40.0060.0289.04
5.2.30.0060.0299.00
5.2.20.0040.0309.00
5.2.10.0080.0258.92
5.2.00.0050.0418.77
5.1.60.0050.0388.06
5.1.50.0040.0368.06
5.1.40.0060.0338.04
5.1.30.0060.0268.39
5.1.20.0100.0428.41
5.1.10.0050.0378.13
5.1.00.0060.0348.14
5.0.50.0040.0266.61
5.0.40.0060.0296.48
5.0.30.0030.0476.29
5.0.20.0060.0266.26
5.0.10.0060.0286.24
5.0.00.0070.0566.23
4.4.90.0060.0244.78
4.4.80.0100.0294.75
4.4.70.0050.0224.75
4.4.60.0060.0304.76
4.4.50.0040.0224.77
4.4.40.0030.0404.71
4.4.30.0070.0204.76
4.4.20.0040.0254.84
4.4.10.0010.0214.85
4.4.00.0030.0324.76
4.3.110.0070.0294.67
4.3.100.0020.0224.67
4.3.90.0070.0184.64
4.3.80.0050.0274.58
4.3.70.0010.0174.63
4.3.60.0030.0144.63
4.3.50.0020.0164.62
4.3.40.0020.0254.54
4.3.30.0030.0163.28
4.3.20.0060.0173.26
4.3.10.0040.0263.22
4.3.00.0270.01710.55

preferences:
42.8 ms | 400 KiB | 5 Q