3v4l.org

run code in 300+ PHP versions simultaneously
<?php $callable = "Class::czdayshortly"; if (is_callable($callable, FALSE, $text)) { echo "supr"; } else { echo "ook"; } $functionVariable = 'someFunction'; var_dump(is_callable($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)
8.3.60.0110.00716.38
8.3.50.0120.00721.89
8.3.40.0070.00718.79
8.3.30.0140.00019.01
8.3.20.0050.00220.16
8.3.10.0040.00423.78
8.3.00.0090.00019.28
8.2.180.0100.00316.38
8.2.170.0150.00622.96
8.2.160.0100.01022.13
8.2.150.0030.00624.18
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0070.00419.39
8.2.110.0150.00322.28
8.2.100.0090.00617.77
8.2.90.0050.00319.40
8.2.80.0070.00317.97
8.2.70.0040.00417.50
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0000.00820.23
8.2.30.0030.00519.66
8.2.20.0000.00817.61
8.2.10.0080.00018.11
8.2.00.0030.00617.71
8.1.280.0070.00725.92
8.1.270.0060.00323.84
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.98
8.1.230.0110.00317.81
8.1.220.0070.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00817.35
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0050.00318.59
8.1.160.0030.00522.04
8.1.150.0030.00618.62
8.1.140.0040.00417.32
8.1.130.0040.00417.83
8.1.120.0070.00017.44
8.1.110.0050.00317.37
8.1.100.0040.00417.27
8.1.90.0040.00417.36
8.1.80.0070.00317.43
8.1.70.0060.00017.30
8.1.60.0040.00417.55
8.1.50.0040.00417.34
8.1.40.0050.00317.31
8.1.30.0040.00417.45
8.1.20.0030.00517.50
8.1.10.0030.00517.56
8.1.00.0000.00817.41
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.36
8.0.270.0030.00317.25
8.0.260.0000.00717.30
8.0.250.0040.00416.79
8.0.240.0030.00316.91
8.0.230.0030.00316.91
8.0.220.0030.00316.79
8.0.210.0000.00716.80
8.0.200.0000.00616.89
8.0.190.0080.00016.92
8.0.180.0050.00216.77
8.0.170.0030.00516.87
8.0.160.0050.00316.77
8.0.150.0050.00516.83
8.0.140.0030.00516.80
8.0.130.0050.00013.18
8.0.120.0040.00416.77
8.0.110.0070.00016.77
8.0.100.0040.00416.70
8.0.90.0000.00716.91
8.0.80.0030.01216.71
8.0.70.0000.00716.76
8.0.60.0000.00716.75
8.0.50.0000.00716.76
8.0.30.0080.01117.12
8.0.20.0060.01317.40
8.0.10.0000.00816.91
8.0.00.0160.00216.74
7.4.330.0000.00715.00
7.4.320.0000.00716.45
7.4.300.0030.00316.47
7.4.290.0000.00716.52
7.4.280.0050.00316.43
7.4.270.0040.00416.36
7.4.260.0070.00016.34
7.4.250.0030.00616.52
7.4.240.0020.00516.47
7.4.230.0000.00716.18
7.4.220.0140.00316.49
7.4.210.0090.00816.48
7.4.200.0000.00716.56
7.4.190.0030.00316.31
7.4.160.0150.00916.65
7.4.150.0110.00717.40
7.4.140.0070.01017.86
7.4.130.0050.01216.45
7.4.120.0090.00816.48
7.4.110.0140.00516.52
7.4.100.0140.00716.39
7.4.90.0070.01716.25
7.4.80.0000.01719.39
7.4.70.0080.01216.48
7.4.60.0070.01016.32
7.4.50.0000.00816.42
7.4.40.0170.00316.32
7.4.30.0080.00816.27
7.4.00.0070.01014.96
7.3.330.0030.00612.89
7.3.320.0040.00413.12
7.3.310.0000.00716.04
7.3.300.0030.00316.00
7.3.290.0090.00916.19
7.3.280.0090.00716.14
7.3.270.0100.00617.40
7.3.260.0120.00916.23
7.3.250.0090.01216.50
7.3.240.0170.00316.30
7.3.230.0130.00316.57
7.3.210.0090.00916.02
7.3.200.0130.00919.39
7.3.190.0150.00616.11
7.3.180.0060.00916.30
7.3.170.0140.00716.27
7.3.160.0090.00616.40
7.3.120.0060.00914.85
7.3.10.0070.00416.54
7.3.00.0100.00316.56
7.2.330.0160.00316.29
7.2.320.0070.01016.43
7.2.310.0030.01316.31
7.2.300.0100.00716.45
7.2.290.0060.01216.36
7.2.130.0060.00916.73
7.2.120.0060.00316.83
7.2.110.0080.00416.64
7.2.100.0080.00416.77
7.2.90.0100.00316.80
7.2.80.0040.00716.91
7.2.70.0030.01116.44
7.2.60.0070.00716.89
7.2.50.0090.00316.73
7.2.40.0120.00416.87
7.2.30.0000.01416.83
7.2.20.0040.00816.76
7.2.10.0100.01016.85
7.2.00.0060.00916.66
7.1.250.0070.00415.93
7.1.200.0040.01115.48
7.1.100.0170.00317.82
7.1.70.0120.00616.95
7.1.60.0200.00319.46
7.1.50.0000.01616.77
7.1.00.0030.07722.54
7.0.200.0100.01014.46
7.0.140.0000.07322.09
7.0.60.0070.08719.89
7.0.50.0100.08317.85
7.0.40.0100.06320.20
7.0.30.0300.07720.04
7.0.20.0270.06320.01
7.0.10.0100.07320.00
7.0.00.0030.08720.17
5.6.280.0030.07321.04
5.6.210.0130.06020.69
5.6.200.0070.08318.17
5.6.190.0030.04320.54
5.6.180.0530.07020.57
5.6.170.0300.02720.48
5.6.160.0030.04020.46
5.6.150.0100.07718.21
5.6.140.0130.07318.08
5.6.130.0030.08718.20
5.6.120.0100.05321.01
5.6.110.0070.07720.89
5.6.100.0100.06020.97
5.6.90.0100.08020.95
5.6.80.0100.05020.44
5.5.350.4130.03720.39
5.5.340.0100.03718.01
5.5.330.0100.04320.21
5.5.320.0370.06720.31
5.5.310.0200.08720.17
5.5.300.0100.06017.90
5.5.290.0070.06017.96
5.5.280.0100.07720.87
5.5.270.0170.06720.86
5.5.260.0130.07720.67
5.5.250.0270.05020.58
5.5.240.0030.05320.25
5.4.450.0700.06719.63
5.4.440.0670.05319.11
5.4.430.0730.06019.34
5.4.420.0100.05319.46
5.4.410.0130.05719.50
5.4.400.0170.06019.16
5.4.390.0230.06719.16
5.4.380.0300.05318.72
5.4.370.0430.05018.50
5.4.360.0370.07318.46
5.4.350.0370.05318.57
5.4.340.0330.06318.56
5.4.320.0050.03712.45
5.4.310.0070.03712.45
5.4.300.0060.04112.45
5.4.290.0110.04112.43
5.4.280.0030.03912.33
5.4.270.0090.04312.33
5.4.260.0100.03512.33
5.4.250.0050.04012.33
5.4.240.0070.04012.33
5.4.230.0060.04112.32
5.4.220.0070.04012.32
5.4.210.0080.03512.32
5.4.200.0050.04112.32
5.4.190.0070.03612.32
5.4.180.0100.03412.32
5.4.170.0130.05812.33
5.4.160.0100.03912.32
5.4.150.0080.04212.32
5.4.140.0050.04012.00
5.4.130.0060.03912.00
5.4.120.0100.05011.95
5.4.110.0080.05311.95
5.4.100.0080.03411.95
5.4.90.0090.05211.95
5.4.80.0090.05211.95
5.4.70.0070.04811.95
5.4.60.0070.04811.94
5.4.50.0060.03711.95
5.4.40.0080.04011.93
5.4.30.0130.05211.93
5.4.20.0070.03611.93
5.4.10.0060.05211.93
5.4.00.0070.04211.42
5.3.290.0050.04012.80
5.3.280.0090.04012.71
5.3.270.0100.04812.73
5.3.260.0090.03912.72
5.3.250.0070.03812.72
5.3.240.0070.05212.72
5.3.230.0080.04112.71
5.3.220.0100.03812.68
5.3.210.0110.04012.68
5.3.200.0120.05012.68
5.3.190.0090.05612.68
5.3.180.0090.03712.68
5.3.170.0070.05512.66
5.3.160.0090.03712.67
5.3.150.0060.05612.68
5.3.140.0080.05912.66
5.3.130.0100.05512.66
5.3.120.0060.05712.66
5.3.110.0090.05612.66
5.3.100.0070.03912.12
5.3.90.0160.04012.09
5.3.80.0100.03812.07
5.3.70.0140.03912.08
5.3.60.0070.04012.06
5.3.50.0110.03912.00
5.3.40.0090.03912.00
5.3.30.0090.03711.94
5.3.20.0110.04411.72
5.3.10.0150.06111.69
5.3.00.0330.07211.68
5.2.170.0220.0559.18
5.2.160.0240.0629.18
5.2.150.0080.0459.18
5.2.140.0100.0419.17
5.2.130.0080.0389.14
5.2.120.0140.0509.13
5.2.110.0100.0309.14
5.2.100.0050.0319.14
5.2.90.0050.0339.14
5.2.80.0080.0309.13
5.2.70.0100.0379.13
5.2.60.0050.0319.09
5.2.50.0080.0409.05
5.2.40.0070.0319.03
5.2.30.0070.0329.01
5.2.20.0100.0319.00
5.2.10.0080.0408.91
5.2.00.0060.0308.77
5.1.60.0030.0268.06
5.1.50.0060.0408.06
5.1.40.0060.0378.04
5.1.30.0130.0418.39
5.1.20.0070.0318.41
5.1.10.0060.0268.14
5.1.00.0080.0238.14
5.0.50.0050.0216.62
5.0.40.0040.0246.47
5.0.30.0060.0476.29
5.0.20.0060.0256.26
5.0.10.0080.0266.23
5.0.00.0080.0436.23
4.4.90.0030.0304.78
4.4.80.0070.0244.75
4.4.70.0140.0184.75
4.4.60.0060.0264.76
4.4.50.0040.0234.77
4.4.40.0040.0354.71
4.4.30.0040.0214.76
4.4.20.0050.0154.85
4.4.10.0020.0184.85
4.4.00.0030.0274.76
4.3.110.0060.0174.67
4.3.100.0080.0404.66
4.3.90.0030.0264.64
4.3.80.0050.0324.59
4.3.70.0090.0174.63
4.3.60.0040.0264.62
4.3.50.0030.0174.63
4.3.40.0100.0554.54
4.3.30.0040.0223.28
4.3.20.0140.0493.26
4.3.10.0030.0183.22
4.3.00.0030.01710.55

preferences:
44.08 ms | 401 KiB | 5 Q