3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$bar) { echo "callable is "; var_dump(is_callable($output)); var_dump($bar); } foo($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)
8.3.60.0120.00316.75
8.3.50.0080.00921.96
8.3.40.0070.00718.71
8.3.30.0040.01118.95
8.3.20.0000.00720.21
8.3.10.0070.00021.77
8.3.00.0070.00020.80
8.2.180.0120.00918.13
8.2.170.0070.01122.96
8.2.160.0170.00022.30
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.01117.80
8.2.110.0030.00722.18
8.2.100.0070.00417.63
8.2.90.0040.00419.14
8.2.80.0030.00517.97
8.2.70.0100.00017.50
8.2.60.0050.00317.91
8.2.50.0000.00818.07
8.2.40.0080.00018.20
8.2.30.0060.00317.85
8.2.20.0040.00417.52
8.2.10.0080.00017.93
8.2.00.0000.00717.71
8.1.280.0090.00625.92
8.1.270.0030.00720.65
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0030.00623.98
8.1.230.0070.00318.97
8.1.220.0070.00017.74
8.1.210.0050.00318.77
8.1.200.0080.00016.98
8.1.190.0040.00417.23
8.1.180.0000.00718.10
8.1.170.0040.00420.34
8.1.160.0040.00421.96
8.1.150.0040.00418.71
8.1.140.0000.00717.29
8.1.130.0030.00317.78
8.1.120.0040.00417.40
8.1.110.0030.00517.36
8.1.100.0030.00417.31
8.1.90.0030.00317.34
8.1.80.0040.00417.25
8.1.70.0000.00817.36
8.1.60.0000.00817.40
8.1.50.0040.00417.36
8.1.40.0000.00717.46
8.1.30.0040.00417.63
8.1.20.0000.00717.55
8.1.10.0000.00917.31
8.1.00.0030.00617.36
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.28
8.0.270.0000.00717.25
8.0.260.0040.00417.19
8.0.250.0030.00316.81
8.0.240.0030.00316.88
8.0.230.0000.00716.79
8.0.220.0000.00716.76
8.0.210.0070.00016.73
8.0.200.0000.00616.84
8.0.190.0060.00316.92
8.0.180.0090.00016.84
8.0.170.0050.00516.84
8.0.160.0040.00416.80
8.0.150.0030.00416.76
8.0.140.0070.00016.75
8.0.130.0000.00513.29
8.0.120.0030.00616.76
8.0.110.0000.00716.76
8.0.100.0000.00716.89
8.0.90.0050.00316.87
8.0.80.0100.00716.76
8.0.70.0000.00816.71
8.0.60.0050.00316.71
8.0.50.0030.00316.61
8.0.30.0140.01116.92
8.0.20.0080.01317.40
8.0.10.0040.00416.83
8.0.00.0120.01316.77
7.4.330.0000.00515.03
7.4.320.0030.00316.52
7.4.300.0000.00616.46
7.4.290.0030.00616.55
7.4.280.0040.00716.45
7.4.270.0000.00716.35
7.4.260.0080.00016.44
7.4.250.0000.00816.45
7.4.240.0070.00016.50
7.4.230.0040.00416.32
7.4.220.0140.00316.39
7.4.210.0140.00016.52
7.4.200.0070.00016.60
7.4.160.0060.00916.52
7.4.150.0120.00617.40
7.4.140.0070.01017.86
7.4.130.0100.01116.42
7.4.120.0090.01216.38
7.4.110.0070.01116.59
7.4.100.0100.00716.33
7.4.90.0150.00316.37
7.4.80.0100.00619.39
7.4.70.0120.00916.50
7.4.60.0100.00716.45
7.4.50.0000.00816.54
7.4.40.0090.00916.62
7.4.30.0110.00716.31
7.4.00.0110.00715.10
7.3.330.0030.00313.13
7.3.320.0000.00513.16
7.3.310.0090.00016.19
7.3.300.0030.00316.18
7.3.290.0070.00616.28
7.3.280.0030.01216.31
7.3.270.0070.01017.40
7.3.260.0190.00516.27
7.3.250.0120.00516.38
7.3.240.0040.01416.33
7.3.230.0090.00916.39
7.3.210.0100.00616.61
7.3.200.0140.00819.39
7.3.190.0110.00416.21
7.3.180.0060.00916.31
7.3.170.0120.00816.31
7.3.160.0040.01316.49
7.3.10.0090.00516.23
7.3.00.0120.00316.39
7.2.330.0070.01116.56
7.2.320.0070.01016.32
7.2.310.0130.00616.33
7.2.300.0080.00816.47
7.2.290.0100.00716.73
7.2.130.0100.00616.33
7.2.120.0070.00716.63
7.2.110.0080.00416.47
7.2.100.0030.00916.84
7.2.90.0110.00016.29
7.2.80.0110.00416.74
7.2.70.0120.00916.44
7.2.60.0080.00816.68
7.2.50.0170.00916.59
7.2.40.0240.01216.23
7.2.30.0070.00716.66
7.2.20.0220.00316.57
7.2.10.0050.00516.81
7.2.00.0110.00818.05
7.1.250.0000.01315.60
7.1.200.0000.01315.51
7.1.100.0050.00517.75
7.1.70.0030.01316.87
7.1.60.0000.02019.46
7.1.50.0090.01216.64
7.1.00.0100.07022.54
7.0.200.0160.00614.73
7.0.140.0030.03321.92
7.0.60.0030.05320.07
7.0.50.0000.05017.88
7.0.40.0030.04720.09
7.0.30.0270.06720.30
7.0.20.0200.05720.16
7.0.10.0130.04720.10
7.0.00.0070.09020.25
5.6.280.0000.07720.91
5.6.210.0030.08720.54
5.6.200.0070.05718.16
5.6.190.0030.04720.64
5.6.180.0330.05020.77
5.6.170.0330.03720.46
5.6.160.0100.03720.52
5.6.150.0030.04318.19
5.6.140.0030.04318.19
5.6.130.0030.04018.14
5.6.120.0030.04321.00
5.6.110.0070.04720.97
5.6.100.0100.07021.00
5.6.90.0100.06721.14
5.6.80.0000.08720.48
5.5.350.0200.04320.43
5.5.340.0170.04018.05
5.5.330.0130.07720.40
5.5.320.0230.04020.25
5.5.310.0400.06320.36
5.5.300.0130.07317.98
5.5.290.0070.08018.00
5.5.280.0030.04720.77
5.5.270.0070.07020.75
5.5.260.0170.07320.89
5.5.250.0070.04320.69
5.5.240.0030.07020.16
5.4.450.0230.05319.61
5.4.440.0770.04319.16
5.4.430.0200.04719.36
5.4.420.0100.05319.39
5.4.410.0170.04719.42
5.4.400.0430.06718.50
5.4.390.0500.06018.75
5.4.380.0430.04318.53
5.4.370.0500.04718.52
5.4.360.0300.05718.84
5.4.350.0270.07018.81
5.4.340.0470.04318.70
5.4.320.0300.06318.74
5.4.310.0300.06318.59
5.4.300.0270.07318.61
5.4.290.0400.06718.70
5.4.280.0400.04018.50
5.4.270.0270.05318.53
5.4.260.0270.05318.57
5.4.250.0400.05318.58
5.4.240.0600.06718.50
5.4.230.0270.06318.52
5.4.220.0200.07018.68
5.4.210.0230.05718.50
5.4.200.0270.06716.80
5.4.190.0500.06718.76
5.4.180.0230.08318.61
5.4.170.0370.05318.77
5.4.160.0430.05318.51
5.4.150.0430.04718.76
5.4.140.0270.05316.34
5.4.130.0270.05016.28
5.4.120.0270.04716.29
5.4.110.0330.05316.18
5.4.100.0270.05716.32
5.4.90.0200.06016.32
5.4.80.0500.05016.32
5.4.70.0270.05016.43
5.4.60.0300.05016.27
5.4.50.0270.04716.25
5.4.40.0300.05716.26
5.4.30.0370.04016.38
5.4.20.0300.06016.26
5.4.10.0330.04316.22
5.4.00.0300.05015.76
5.3.290.0200.06314.88
5.3.280.0270.06014.71
5.3.270.0430.04314.61
5.3.260.0300.06314.80
5.3.250.0170.07014.79
5.3.240.0300.04714.81
5.3.230.0230.06014.70
5.3.220.0270.05014.62
5.3.210.0200.05714.57
5.3.200.0300.05014.59
5.3.190.0330.06314.71
5.3.180.0170.05714.56
5.3.170.0370.04014.69
5.3.160.0170.05714.62
5.3.150.0230.05314.78
5.3.140.0170.05714.61
5.3.130.0270.05314.73
5.3.120.0300.04714.59
5.3.110.0270.05714.68
5.3.100.0200.05314.14
5.3.90.0200.05014.21
5.3.80.0300.04714.14
5.3.70.0230.05714.23
5.3.60.0330.04014.02
5.3.50.0130.06014.16
5.3.40.0300.04714.05
5.3.30.0200.05313.97
5.3.20.0300.04313.67
5.3.10.0130.07013.65
5.3.00.0370.04713.80
5.2.170.0300.03711.18
5.2.160.0300.04711.36
5.2.150.0200.04711.27
5.2.140.0200.05011.26
5.2.130.0170.04311.16
5.2.120.0200.03711.23
5.2.110.0100.04711.15
5.2.100.0130.04011.20
5.2.90.0200.03311.23
5.2.80.0130.04311.14
5.2.70.0300.03311.09
5.2.60.0200.04311.07
5.2.50.0100.04711.07
5.2.40.0170.04011.07
5.2.30.0130.04310.98
5.2.20.0200.05711.09
5.2.10.0170.05010.90
5.2.00.0100.04710.76
5.1.60.0200.03010.03
5.1.50.0130.03710.06
5.1.40.0130.0379.99
5.1.30.0330.03710.39
5.1.20.0170.04010.39
5.1.10.0130.04010.10
5.1.00.0130.05010.25
5.0.50.0130.0278.73
5.0.40.0130.0238.51
5.0.30.0170.0408.25
5.0.20.0130.0238.20
5.0.10.0000.0338.24
5.0.00.0030.0438.19
4.4.90.0030.0235.89
4.4.80.0100.0175.89
4.4.70.0130.0205.89
4.4.60.0070.0235.89
4.4.50.0100.0205.87
4.4.40.0100.0335.96
4.4.30.0070.0235.88
4.4.20.0100.0205.94
4.4.10.0070.0236.03
4.4.00.0100.0335.93
4.3.110.0070.0235.85
4.3.100.0030.0235.94
4.3.90.0030.0275.83
4.3.80.0070.0335.84
4.3.70.0100.0175.82
4.3.60.0030.0235.81
4.3.50.0030.0275.86
4.3.40.0070.0335.84
4.3.30.0070.0235.34
4.3.20.0030.0335.34
4.3.10.0100.0305.36
4.3.00.0070.0207.54

preferences:
53.78 ms | 401 KiB | 5 Q