3v4l.org

run code in 300+ PHP versions simultaneously
<?php function assign(&$a, &$b, &$c) { $a = 'a'; $b = 'b'; $c = 'c'; } $ar_e = array('d' => null); assign($ar['a'], $direct, $ar_e['d']); var_dump($ar, $direct, $ar_e);

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)
8.3.60.0140.00318.05
8.3.50.0080.00616.29
8.3.40.0180.00318.77
8.3.30.0100.00719.05
8.3.20.0040.00420.38
8.3.10.0080.00023.70
8.3.00.0050.00319.25
8.2.180.0180.00316.63
8.2.170.0160.00022.96
8.2.160.0030.01320.48
8.2.150.0050.00324.18
8.2.140.0030.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00422.06
8.2.110.0050.00521.12
8.2.100.0040.00717.78
8.2.90.0000.00818.03
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0000.00918.04
8.2.50.0080.00018.07
8.2.40.0040.00418.12
8.2.30.0060.00318.04
8.2.20.0040.00417.73
8.2.10.0070.00017.87
8.2.00.0040.00417.50
8.1.280.0060.00925.92
8.1.270.0060.00323.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.54
8.1.230.0070.00420.70
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.36
8.1.190.0050.00317.13
8.1.180.0020.00518.10
8.1.170.0050.00318.41
8.1.160.0050.00221.90
8.1.150.0070.00018.81
8.1.140.0030.00517.41
8.1.130.0000.00817.74
8.1.120.0000.00717.44
8.1.110.0070.00017.39
8.1.100.0000.00717.28
8.1.90.0040.00417.27
8.1.80.0030.00317.40
8.1.70.0000.00717.30
8.1.60.0030.00517.59
8.1.50.0050.00317.55
8.1.40.0050.00317.55
8.1.30.0080.00017.64
8.1.20.0040.00417.67
8.1.10.0040.00417.38
8.1.00.0030.00617.41
8.0.300.0070.00020.02
8.0.290.0040.00416.63
8.0.280.0000.00718.25
8.0.270.0030.00317.06
8.0.260.0070.00017.19
8.0.250.0030.00316.74
8.0.240.0040.00416.76
8.0.230.0000.00716.81
8.0.220.0040.00416.72
8.0.210.0030.00316.72
8.0.200.0030.00316.74
8.0.190.0000.00716.77
8.0.180.0070.00016.84
8.0.170.0000.00816.81
8.0.160.0000.00716.92
8.0.150.0000.00716.84
8.0.140.0000.00816.67
8.0.130.0000.00513.25
8.0.120.0000.00916.69
8.0.110.0040.00416.73
8.0.100.0050.00316.63
8.0.90.0040.00316.66
8.0.80.0070.01416.85
8.0.70.0040.00416.67
8.0.60.0040.00416.62
8.0.50.0040.00416.85
8.0.30.0070.01216.82
8.0.20.0140.00517.40
8.0.10.0040.00417.01
8.0.00.0130.00416.64
7.4.330.0040.00415.02
7.4.320.0000.00616.36
7.4.300.0030.00316.47
7.4.290.0070.00016.57
7.4.280.0030.00516.47
7.4.270.0030.00316.55
7.4.260.0040.00416.47
7.4.250.0000.00716.43
7.4.240.0000.00716.38
7.4.230.0030.00316.71
7.4.220.0100.00716.43
7.4.210.0090.00616.64
7.4.200.0070.00016.70
7.4.160.0020.01516.29
7.4.150.0170.00017.40
7.4.140.0130.00717.86
7.4.130.0100.00916.30
7.4.120.0100.00716.56
7.4.110.0130.00716.45
7.4.100.0080.00816.65
7.4.90.0150.00316.53
7.4.80.0150.00819.39
7.4.70.0040.01316.44
7.4.60.0030.01316.31
7.4.50.0000.00816.11
7.4.40.0150.00016.59
7.4.30.0060.01016.42
7.4.00.0060.01014.85
7.3.330.0060.00013.34
7.3.320.0050.00013.09
7.3.310.0050.00216.33
7.3.300.0000.00716.25
7.3.290.0100.00716.29
7.3.280.0040.01116.24
7.3.270.0060.01517.40
7.3.260.0120.00616.27
7.3.250.0050.01216.39
7.3.240.0030.01316.44
7.3.230.0060.01216.46
7.3.210.0080.00816.16
7.3.200.0120.00619.39
7.3.190.0120.01216.56
7.3.180.0100.00616.16
7.3.170.0070.00716.43
7.3.160.0100.01016.09
7.3.120.0090.00614.56
7.3.110.0040.01114.61
7.3.100.0060.00614.91
7.3.90.0040.01114.77
7.3.80.0000.00914.64
7.3.70.0070.00414.49
7.3.60.0110.00414.52
7.3.50.0060.00614.73
7.3.40.0040.00414.61
7.3.30.0000.01314.84
7.3.20.0030.00516.59
7.3.10.0040.01116.59
7.3.00.0040.01116.27
7.2.330.0150.01116.31
7.2.320.0040.01416.61
7.2.310.0090.00616.32
7.2.300.0090.00916.48
7.2.290.0150.00816.54
7.2.240.0130.00314.71
7.2.230.0030.01015.00
7.2.220.0030.01014.83
7.2.210.0030.01414.70
7.2.200.0070.00714.95
7.2.190.0070.00314.92
7.2.180.0080.00014.57
7.2.170.0000.00914.97
7.2.160.0040.00414.80
7.2.150.0000.01116.75
7.2.140.0030.01016.74
7.2.130.0000.01416.56
7.2.120.0060.01016.72
7.2.110.0030.00916.91
7.2.100.0120.00316.85
7.2.90.0140.00016.63
7.2.80.0070.00716.82
7.2.70.0000.01316.91
7.2.60.0040.01116.59
7.2.50.0100.00716.57
7.2.40.0030.00716.77
7.2.30.0030.01416.61
7.2.20.0030.00916.82
7.2.10.0100.00716.68
7.2.00.0060.00617.98
7.1.330.0070.00715.57
7.1.320.0030.00615.88
7.1.310.0000.01215.78
7.1.300.0070.00715.86
7.1.290.0040.00715.69
7.1.280.0030.01315.74
7.1.270.0070.00715.38
7.1.260.0040.01115.95
7.1.250.0030.01415.71
7.1.100.0040.00818.14
7.1.70.0060.00616.80
7.1.60.0100.01319.11
7.1.50.0000.02316.57
7.1.00.0070.07022.35
7.0.200.0030.00716.69
7.0.140.0000.07322.09
7.0.60.0030.04020.00
7.0.50.0070.05317.84
7.0.40.0070.04020.13
7.0.30.0100.05020.30
7.0.20.0330.07720.15
7.0.10.0070.09020.12
7.0.00.0030.08320.21
5.6.280.0130.06320.82
5.6.210.0070.05320.62
5.6.200.0100.07718.16
5.6.190.0030.04720.70
5.6.180.0370.07320.61
5.6.170.0230.06020.54
5.6.160.0030.06720.45
5.6.150.0070.05018.18
5.6.140.0070.08018.21
5.6.130.0130.03318.15
5.6.120.0170.07721.01
5.6.110.0130.08020.98
5.6.100.0030.04020.98
5.6.90.0130.07321.02
5.6.80.0000.04020.49
5.5.350.3400.04320.43
5.5.340.0030.04717.99
5.5.330.0070.08320.47
5.5.320.0200.04320.53
5.5.310.0270.07720.34
5.5.300.0070.03718.04
5.5.290.0070.08018.03
5.5.280.0000.05320.96
5.5.270.0100.07720.87
5.5.260.0130.03020.68
5.5.250.0130.09020.46
5.5.240.0170.07020.37
5.4.450.2670.04019.20
5.4.440.2470.03719.17
5.4.430.2870.04019.57
5.4.420.2700.04019.47
5.4.410.2830.04019.36
5.4.400.2270.04019.25
5.4.390.3100.03019.24
5.4.380.3000.04319.22
5.4.370.3330.03718.88
5.4.360.3170.03719.09
5.4.350.2500.03719.07
5.4.340.2830.04719.22
5.4.320.3030.03719.24
5.4.310.2900.04319.20
5.4.300.2830.03318.94
5.4.290.3100.03319.10
5.4.280.2800.05019.24
5.4.270.2900.03019.22
5.4.260.2830.03019.09
5.4.250.2770.03319.07
5.4.240.2830.03719.18
5.4.230.2630.03719.06
5.4.220.3000.04319.01
5.4.210.3170.04319.05
5.4.200.2700.03319.21
5.4.190.2570.04018.94
5.4.180.3130.04019.21
5.4.170.2830.04019.07
5.4.160.3070.04318.96
5.4.150.2900.03719.29
5.4.140.2570.03316.50
5.4.130.2870.03716.31
5.4.120.3130.03716.51
5.4.110.3030.04016.45
5.4.100.2700.04316.58
5.4.90.2670.03016.45
5.4.80.2830.04016.57
5.4.70.2700.04316.34
5.4.60.2430.04016.33
5.4.50.2830.03716.42
5.4.40.3270.04316.34
5.4.30.2700.04016.51
5.4.20.3130.03316.42
5.4.10.2970.03016.33
5.4.00.2800.03315.76
5.3.290.3070.04314.57
5.3.280.3030.04314.60
5.3.270.2830.04314.50
5.3.260.2870.03314.69
5.3.250.2930.03314.62
5.3.240.2870.03714.51
5.3.230.3200.03714.57
5.3.220.3100.03714.66
5.3.210.3100.04314.53
5.3.200.3200.03314.46
5.3.190.2630.04014.54
5.3.180.2670.04014.54
5.3.170.2700.04014.48
5.3.160.2500.04714.57
5.3.150.2770.04014.54
5.3.140.2570.04314.46
5.3.130.3300.04714.45
5.3.120.2570.04014.47
5.3.110.2800.03314.55
5.3.100.3000.04314.12
5.3.90.2930.04013.92
5.3.80.2870.03314.10
5.3.70.3070.03714.13
5.3.60.2830.03714.15
5.3.50.2900.03714.00
5.3.40.2800.04013.86
5.3.30.2530.03013.80
5.3.20.2930.03313.61
5.3.10.3000.03313.77
5.3.00.2670.03013.54
5.2.170.2500.03711.27
5.2.160.2430.03011.13
5.2.150.2200.02711.13
5.2.140.2400.03311.13
5.2.130.2270.02711.18
5.2.120.2500.02711.22
5.2.110.2700.02311.18
5.2.100.2530.02311.13
5.2.90.2070.02311.25
5.2.80.2230.03311.13
5.2.70.2200.03711.13
5.2.60.2570.02711.13
5.2.50.2930.03711.13
5.2.40.2000.02711.13
5.2.30.2030.02311.13
5.2.20.2400.03011.13
5.2.10.1970.02711.13
5.2.00.1730.03711.13
5.1.60.2030.02311.13
5.1.50.1870.02311.13
5.1.40.1670.03011.13
5.1.30.2370.02311.13
5.1.20.1900.02011.13
5.1.10.2300.02711.13
5.1.00.1630.03311.13
5.0.50.1200.02711.13
5.0.40.0800.02311.13
5.0.30.1130.03311.13
5.0.20.1200.02011.13
5.0.10.1130.03011.13
5.0.00.0930.03711.13
4.4.90.0730.01311.13
4.4.80.0970.01711.13
4.4.70.0970.01711.13
4.4.60.1030.01311.13
4.4.50.0470.01311.13
4.4.40.0800.02711.13
4.4.30.1170.02011.13
4.4.20.1170.02011.13
4.4.10.0970.01711.13
4.4.00.1170.02311.13
4.3.110.0900.01711.13
4.3.100.0870.01711.13
4.3.90.1300.02711.13
4.3.80.1070.02711.13
4.3.70.1130.02311.13
4.3.60.1200.01711.13
4.3.50.1030.02011.13
4.3.40.0570.03311.13
4.3.30.0600.02711.13
4.3.20.0500.02011.13
4.3.10.0530.01311.13
4.3.00.0070.01011.13

preferences:
49.63 ms | 400 KiB | 5 Q