3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$x) {var_dump($x);} function bar($x){var_dump($x);} bar($bar='test0'); var_dump($bar); foo(@$foo='test1'); var_dump($foo);

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)
8.3.60.0110.00418.55
8.3.50.0070.01221.14
8.3.40.0180.00018.92
8.3.30.0090.00620.30
8.3.20.0080.00020.66
8.3.10.0000.00821.22
8.3.00.0060.00323.52
8.2.180.0080.01116.75
8.2.170.0070.00722.96
8.2.160.0150.00020.34
8.2.150.0000.00724.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00420.98
8.2.110.0040.00422.20
8.2.100.0110.00017.72
8.2.90.0040.00419.28
8.2.80.0000.00919.34
8.2.70.0060.00317.75
8.2.60.0030.00517.80
8.2.50.0000.00818.07
8.2.40.0040.00418.28
8.2.30.0000.00719.37
8.2.20.0000.00817.59
8.2.10.0090.00017.68
8.2.00.0000.00817.83
8.1.280.0070.00725.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.00322.46
8.1.230.0040.00820.85
8.1.220.0040.00418.77
8.1.210.0030.00519.04
8.1.200.0030.00617.23
8.1.190.0050.00317.55
8.1.180.0030.00518.10
8.1.170.0080.00018.50
8.1.160.0040.00418.77
8.1.150.0040.00418.68
8.1.140.0040.00417.52
8.1.130.0000.00717.86
8.1.120.0070.00017.46
8.1.110.0040.00417.37
8.1.100.0040.00417.45
8.1.90.0000.00817.50
8.1.80.0070.00017.46
8.1.70.0000.00717.34
8.1.60.0050.00517.48
8.1.50.0000.00717.43
8.1.40.0090.00017.41
8.1.30.0040.00417.61
8.1.20.0030.00617.64
8.1.10.0030.00517.48
8.1.00.0080.00017.40
8.0.300.0040.00420.03
8.0.290.0000.00717.18
8.0.280.0030.00318.44
8.0.270.0070.00017.30
8.0.260.0030.00316.80
8.0.250.0040.00417.02
8.0.240.0030.00316.93
8.0.230.0000.00717.02
8.0.220.0000.00616.87
8.0.210.0030.00316.94
8.0.200.0030.00316.91
8.0.190.0020.00516.95
8.0.180.0040.00416.96
8.0.170.0000.00817.02
8.0.160.0040.00416.88
8.0.150.0040.00316.96
8.0.140.0040.00416.84
8.0.130.0000.00613.32
8.0.120.0030.00616.93
8.0.110.0000.00716.91
8.0.100.0050.00216.97
8.0.90.0040.00416.95
8.0.80.0180.00317.00
8.0.70.0030.00316.97
8.0.60.0040.00416.79
8.0.50.0000.00816.92
8.0.30.0050.01417.22
8.0.20.0080.01017.40
8.0.10.0040.00417.11
8.0.00.0160.00716.97
7.4.330.0000.00515.02
7.4.320.0000.00616.61
7.4.300.0060.00016.46
7.4.290.0030.00316.52
7.4.280.0060.00316.49
7.4.270.0000.00716.61
7.4.260.0050.00316.45
7.4.250.0000.00816.52
7.4.240.0070.00016.50
7.4.230.0070.00016.55
7.4.220.0060.01216.50
7.4.210.0080.00716.60
7.4.200.0030.00316.61
7.4.190.0040.00416.55
7.4.160.0090.00616.41
7.4.150.0060.01217.40
7.4.140.0130.00617.86
7.4.130.0080.01216.51
7.4.120.0090.00816.60
7.4.110.0120.00616.54
7.4.100.0110.00716.55
7.4.90.0060.01216.57
7.4.80.0040.01619.39
7.4.70.0060.01116.61
7.4.60.0110.00816.53
7.4.50.0030.00316.62
7.4.40.0080.00822.77
7.4.30.0080.00816.73
7.4.00.0070.00715.06
7.3.330.0000.00513.35
7.3.320.0000.00513.21
7.3.310.0000.00716.26
7.3.300.0000.00716.36
7.3.290.0080.00516.28
7.3.280.0070.01116.36
7.3.270.0160.01017.40
7.3.260.0120.01018.24
7.3.250.0100.00816.41
7.3.240.0110.01116.38
7.3.230.0140.00316.41
7.3.210.0130.00316.50
7.3.200.0100.00719.39
7.3.190.0060.01516.48
7.3.180.0110.01116.39
7.3.170.0130.00316.55
7.3.160.0140.00316.32
7.3.120.0070.00714.87
7.3.10.0040.00916.58
7.3.00.0080.00516.72
7.2.330.0060.01216.51
7.2.320.0060.01016.46
7.2.310.0120.01116.57
7.2.300.0100.00716.33
7.2.290.0100.00716.32
7.2.130.0050.00816.44
7.2.120.0050.00516.72
7.2.110.0110.00316.45
7.2.100.0090.00716.39
7.2.90.0110.00216.77
7.2.80.0080.00616.61
7.2.70.0100.00616.61
7.2.60.0090.00416.77
7.2.50.0050.00716.79
7.2.40.0050.00716.88
7.2.30.0080.00516.82
7.2.20.0050.00916.81
7.2.10.0030.01316.88
7.2.00.0050.00917.57
7.1.250.0030.01015.36
7.1.200.0030.00615.52
7.1.100.0110.00318.24
7.1.70.0080.00017.15
7.1.60.0140.01119.17
7.1.50.0100.01316.93
7.1.00.0100.04322.29
7.0.200.0030.00516.92
7.0.140.0000.07322.06
7.0.60.0130.08020.00
7.0.50.0070.08017.88
7.0.40.0130.08320.14
7.0.30.0230.08020.19
7.0.20.0170.04020.10
7.0.10.0000.04720.13
7.0.00.0070.04020.06
5.6.280.0130.06320.82
5.6.210.0070.08020.55
5.6.200.0030.04718.29
5.6.190.0070.04720.33
5.6.180.0130.03720.77
5.6.170.0300.07720.58
5.6.160.0170.06020.45
5.6.150.0070.07318.16
5.6.140.0100.03718.27
5.6.130.0030.05318.28
5.6.120.0130.07721.08
5.6.110.0170.07321.04
5.6.100.0230.07021.14
5.6.90.0070.03720.96
5.6.80.0100.07020.26
5.5.350.0370.07020.38
5.5.340.0070.05718.10
5.5.330.0070.07720.37
5.5.320.0230.05320.29
5.5.310.0270.06320.27
5.5.300.0070.08017.94
5.5.290.0130.08017.95
5.5.280.0130.03720.69
5.5.270.0030.08720.64
5.5.260.0100.07320.89
5.5.250.0070.03720.66
5.5.240.0330.07020.19
5.4.450.1830.04719.29
5.4.440.1900.04319.57
5.4.430.1700.05019.46
5.4.420.1700.04719.52
5.4.410.1800.03019.41
5.4.400.2000.03019.15
5.4.390.1530.04719.07
5.4.380.1800.04319.09
5.4.370.1770.04319.24
5.4.360.1830.03019.22
5.4.350.1930.04019.06
5.4.340.1870.04319.09
5.4.320.2130.05719.20
5.4.310.0070.04019.09
5.4.300.0130.06319.26
5.4.290.0200.06719.17
5.4.280.1670.03719.06
5.4.270.1930.03719.21
5.4.260.1900.04019.24
5.4.250.1900.04719.32
5.4.240.1730.04319.13
5.4.230.1700.03318.98
5.4.220.1800.03319.13
5.4.210.1900.04319.12
5.4.200.1830.04018.89
5.4.190.1900.04319.18
5.4.180.1230.03718.98
5.4.170.0100.06019.05
5.4.160.0000.04719.11
5.4.150.1530.04019.14
5.4.140.1930.04716.39
5.4.130.1830.04316.38
5.4.120.1970.04016.40
5.4.110.1870.03716.30
5.4.100.1630.04016.46
5.4.90.1670.03716.51
5.4.80.1770.03716.49
5.4.70.1600.03716.44
5.4.60.1730.03316.51
5.4.50.1630.04016.17
5.4.40.1700.03016.22
5.4.30.1800.04316.50
5.4.20.2070.04016.52
5.4.10.1700.03716.25
5.4.00.1830.04715.84
5.3.290.1730.03314.57
5.3.280.1670.04014.56
5.3.270.1700.03714.61
5.3.260.2070.04314.83
5.3.250.1770.03314.59
5.3.240.1700.03714.61
5.3.230.1600.03314.75
5.3.220.0970.02714.68
5.3.210.0030.03714.51
5.3.200.0070.03314.65
5.3.190.2300.02014.54
5.3.180.1700.03714.56
5.3.170.1700.03714.49
5.3.160.1770.03014.58
5.3.150.1700.03714.68
5.3.140.1900.04314.57
5.3.130.1570.03314.60
5.3.120.0030.06314.70
5.3.110.0000.05014.68
5.3.100.0870.03314.27
5.3.90.1530.03314.03
5.3.80.2130.03714.03
5.3.70.1830.03013.93
5.3.60.0200.04713.92
5.3.50.0000.03713.95
5.3.40.0000.04014.04
5.3.30.1330.03713.82
5.3.20.1370.03713.61
5.3.10.1400.03013.67
5.3.00.1630.03013.64
5.2.170.1600.03311.27
5.2.160.1630.03711.21
5.2.150.1430.02711.38
5.2.140.1000.04711.05
5.2.130.0970.03011.09
5.2.120.1470.02311.08
5.2.110.1230.02711.09
5.2.100.1370.03011.00
5.2.90.1400.02711.02
5.2.80.1330.03711.17
5.2.70.1600.03311.02
5.2.60.1370.03310.98
5.2.50.1430.02311.10
5.2.40.1330.03710.91
5.2.30.1330.03310.95
5.2.20.1130.02311.04
5.2.10.1100.03310.87
5.2.00.1200.02310.64
5.1.60.1270.03010.16
5.1.50.1170.0209.89
5.1.40.1170.02710.06
5.1.30.1170.02710.29
5.1.20.1300.03310.36
5.1.10.1300.03010.00
5.1.00.1130.02010.05
5.0.50.0630.0238.63
5.0.40.0000.0238.64
5.0.30.0000.0478.20
5.0.20.0030.0278.19
5.0.10.0030.0438.05
5.0.00.0030.0638.17
4.4.90.0030.0237.93
4.4.80.0000.0207.93
4.4.70.0000.0307.93
4.4.60.0600.0237.93
4.4.50.0570.0177.93
4.4.40.0730.0277.93
4.4.30.0600.0177.93
4.4.20.0870.0177.93
4.4.10.0800.0237.93
4.4.00.0830.0277.93
4.3.110.0730.0277.93
4.3.100.0800.0237.93
4.3.90.0670.0137.93
4.3.80.0770.0277.93
4.3.70.0730.0137.93
4.3.60.0770.0207.93
4.3.50.0770.0137.93
4.3.40.0670.0237.93
4.3.30.0400.0307.93
4.3.20.0430.0237.93
4.3.10.0400.0277.93
4.3.00.0470.0237.93

preferences:
50.26 ms | 401 KiB | 5 Q