3v4l.org

run code in 300+ PHP versions simultaneously
<?php function assign(&$a, &$b, &$c) { static $i = 0; $a = 'a' . $i; $b = 'b' . $i; $c = 'c' . $i; $i++;} $ar_e = array('d' => null); assign($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)
8.3.60.0110.00418.30
8.3.50.0070.00716.14
8.3.40.0090.00618.71
8.3.30.0030.01619.04
8.3.20.0000.00820.04
8.3.10.0040.00423.44
8.3.00.0040.00419.38
8.2.180.0110.00416.35
8.2.170.0110.01122.96
8.2.160.0070.01120.45
8.2.150.0100.00724.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0040.00422.22
8.2.110.0170.00322.07
8.2.100.0080.00417.63
8.2.90.0050.00319.22
8.2.80.0050.00317.97
8.2.70.0030.00517.63
8.2.60.0040.00417.80
8.2.50.0000.00918.07
8.2.40.0050.00320.01
8.2.30.0000.00918.05
8.2.20.0000.00817.75
8.2.10.0040.00418.00
8.2.00.0080.00017.80
8.1.280.0070.01025.92
8.1.270.0040.00423.73
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0050.00519.22
8.1.220.0000.00817.77
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0090.00018.52
8.1.160.0000.00722.01
8.1.150.0000.00718.79
8.1.140.0050.00317.40
8.1.130.0070.00017.82
8.1.120.0070.00017.42
8.1.110.0040.00417.48
8.1.100.0040.00417.39
8.1.90.0040.00417.35
8.1.80.0040.00417.44
8.1.70.0030.00317.35
8.1.60.0060.00317.50
8.1.50.0030.00517.52
8.1.40.0040.00417.43
8.1.30.0000.00817.68
8.1.20.0040.00417.54
8.1.10.0040.00417.48
8.1.00.0000.00917.30
8.0.300.0050.00218.77
8.0.290.0000.00916.63
8.0.280.0000.00718.44
8.0.270.0000.00717.17
8.0.260.0000.00717.19
8.0.250.0040.00417.02
8.0.240.0030.00316.95
8.0.230.0000.00816.95
8.0.220.0070.00016.92
8.0.210.0050.00316.84
8.0.200.0060.00316.81
8.0.190.0090.00016.95
8.0.180.0040.00416.95
8.0.170.0000.00716.80
8.0.160.0000.00716.86
8.0.150.0070.00016.82
8.0.140.0040.00416.87
8.0.130.0030.00313.32
8.0.120.0080.00016.86
8.0.110.0030.00416.85
8.0.100.0000.00716.95
8.0.90.0040.00416.95
8.0.80.0210.00316.89
8.0.70.0050.00316.79
8.0.60.0050.00216.94
8.0.50.0040.00416.74
8.0.30.0090.00917.11
8.0.20.0070.01417.40
8.0.10.0050.00316.97
8.0.00.0120.00516.69
7.4.330.0060.00015.02
7.4.320.0040.00416.48
7.4.300.0060.00016.45
7.4.290.0000.00716.57
7.4.280.0040.00416.45
7.4.270.0030.00316.60
7.4.260.0000.00716.58
7.4.250.0030.00316.42
7.4.240.0020.00516.52
7.4.230.0040.00416.42
7.4.220.0140.00316.63
7.4.210.0160.00016.66
7.4.200.0070.00016.70
7.4.160.0070.01416.65
7.4.150.0120.01217.40
7.4.140.0140.00617.86
7.4.130.0130.00816.52
7.4.120.0080.01016.54
7.4.110.0070.01016.60
7.4.100.0060.01216.57
7.4.90.0130.01016.55
7.4.80.0060.01519.39
7.4.70.0170.00016.56
7.4.60.0140.00316.54
7.4.50.0040.00416.43
7.4.40.0090.00916.43
7.4.30.0070.01016.41
7.4.10.0080.00814.85
7.4.00.0090.00715.04
7.3.330.0000.00713.14
7.3.320.0000.00513.15
7.3.310.0000.00716.25
7.3.300.0060.00016.21
7.3.290.0050.01116.35
7.3.280.0090.00916.37
7.3.270.0150.00417.40
7.3.260.0040.01216.38
7.3.250.0050.01616.52
7.3.240.0130.00316.41
7.3.230.0110.00816.48
7.3.210.0110.01116.30
7.3.200.0110.00619.39
7.3.190.0100.01316.64
7.3.180.0110.00716.55
7.3.170.0090.01216.45
7.3.160.0030.02016.34
7.3.130.0090.00914.91
7.3.120.0060.01114.74
7.3.110.0070.00914.69
7.3.100.0060.01015.01
7.3.90.0090.00314.92
7.3.80.0080.00614.90
7.3.70.0040.01114.74
7.3.60.0050.01014.78
7.3.50.0060.00814.78
7.3.40.0040.00914.78
7.3.30.0050.00814.67
7.3.20.0050.01116.58
7.3.10.0080.00716.71
7.3.00.0070.00616.71
7.2.330.0110.01216.46
7.2.320.0130.00716.54
7.2.310.0030.01316.51
7.2.300.0050.01116.58
7.2.290.0110.01116.78
7.2.260.0070.01314.92
7.2.250.0100.00714.85
7.2.240.0090.00814.86
7.2.230.0040.01115.16
7.2.220.0040.01115.08
7.2.210.0070.00814.93
7.2.200.0050.00614.87
7.2.190.0060.00815.08
7.2.180.0030.00815.04
7.2.170.0080.00814.91
7.2.160.0070.00715.05
7.2.150.0110.00416.77
7.2.140.0030.01216.69
7.2.130.0050.00916.99
7.2.120.0070.00516.96
7.2.110.0050.00916.95
7.2.100.0060.00416.80
7.2.90.0050.00916.90
7.2.80.0060.00716.79
7.2.70.0040.01116.86
7.2.60.0050.00816.82
7.2.50.0060.00516.71
7.2.40.0020.01116.99
7.2.30.0050.01016.87
7.2.20.0070.00916.74
7.2.10.0040.00716.86
7.2.00.0040.01117.45
7.1.330.0060.01015.79
7.1.320.0050.00715.65
7.1.310.0020.01115.71
7.1.300.0050.00815.86
7.1.290.0060.00715.76
7.1.280.0090.00315.59
7.1.270.0080.00815.79
7.1.260.0060.00515.75
7.1.250.0030.00815.71
7.1.240.0040.01115.81
7.1.230.0050.00515.96
7.1.220.0100.00315.89
7.1.210.0130.00015.95
7.1.200.0090.00415.71
7.1.190.0000.01315.91
7.1.180.0040.00415.73
7.1.170.0070.00315.60
7.1.160.0030.00715.49
7.1.150.0030.00515.81
7.1.140.0030.01015.70
7.1.130.0000.01315.72
7.1.120.0070.00315.91
7.1.110.0090.00315.91
7.1.100.0090.00816.93
7.1.90.0040.00415.50
7.1.80.0040.01116.04
7.1.70.0020.00816.30
7.1.60.0050.01017.49
7.1.50.0100.00816.51
7.1.40.0030.00615.78
7.1.30.0030.00615.81
7.1.20.0070.00715.54
7.1.10.0030.01315.55
7.1.00.0080.03919.04
7.0.330.0080.00415.57
7.0.320.0030.01315.41
7.0.310.0040.00815.53
7.0.300.0030.00715.38
7.0.290.0000.01315.39
7.0.280.0040.00415.20
7.0.270.0030.01215.49
7.0.260.0030.00715.04
7.0.250.0080.00615.45
7.0.240.0070.00715.46
7.0.230.0070.00315.53
7.0.220.0040.00415.59
7.0.210.0080.00015.55
7.0.200.0050.00516.02
7.0.190.0060.00315.31
7.0.180.0090.00415.37
7.0.170.0040.01215.31
7.0.160.0070.00315.27
7.0.150.0060.00315.44
7.0.140.0080.03718.65
7.0.130.0030.01015.35
7.0.120.0040.01115.22
7.0.110.0090.00315.25
7.0.100.0030.01215.41
7.0.90.0060.00615.55
7.0.80.0070.00715.18
7.0.70.0120.00015.37
7.0.60.0030.04717.74
7.0.50.0080.02716.75
7.0.40.0050.04216.86
7.0.30.0180.04616.78
7.0.20.0180.03516.84
7.0.10.0050.03016.61
7.0.00.0100.04316.89
5.6.400.0110.00714.45
5.6.390.0070.01014.69
5.6.380.0060.01014.78
5.6.370.0030.00914.71
5.6.360.0030.01314.69
5.6.350.0030.01014.44
5.6.340.0070.00414.60
5.6.330.0040.01114.68
5.6.320.0030.00814.40
5.6.310.0070.00714.45
5.6.300.0100.00014.48
5.6.290.0040.00714.11
5.6.280.0040.03717.72
5.6.270.0060.00914.08
5.6.260.0030.01014.41
5.6.250.0000.00914.39
5.6.240.0090.00614.39
5.6.230.0070.01014.28
5.6.220.0040.01114.27
5.6.210.0030.04917.55
5.6.200.0020.04516.22
5.6.190.0110.04517.52
5.6.180.0080.04317.54
5.6.170.0180.03017.39
5.6.160.0050.04717.39
5.6.150.0100.04016.37
5.6.140.0040.02716.23
5.6.130.0050.04016.43
5.6.120.0050.04717.60
5.6.110.0100.04517.61
5.6.100.0050.04017.69
5.6.90.0070.02317.78
5.6.80.0050.04217.43
5.6.70.2240.02217.31
5.6.60.0040.00414.28
5.6.50.0000.00914.36
5.6.40.0050.00514.30
5.6.30.0060.00314.23
5.6.20.0090.00614.19
5.6.10.0030.00614.27
5.6.00.0040.00714.33
5.5.380.0060.00914.35
5.5.370.0040.01114.27
5.5.360.0120.00314.68
5.5.350.0080.04317.24
5.5.340.0070.04216.22
5.5.330.0060.04517.49
5.5.320.0200.04517.48
5.5.310.0120.04617.56
5.5.300.0060.04316.30
5.5.290.0020.02416.29
5.5.280.0080.04317.74
5.5.270.0070.04517.61
5.5.260.0080.03917.50
5.5.250.0070.02517.36
5.5.240.0120.03417.19
5.5.230.0060.00614.09
5.5.220.0030.01014.02
5.5.210.0030.01014.21
5.5.200.0090.00314.59
5.5.190.0030.01014.32
5.5.180.0040.00714.09
5.5.170.0030.01014.15
5.5.160.0100.00314.46
5.5.150.0000.01814.52
5.5.140.0070.00713.86
5.5.130.0150.00314.08
5.5.120.0040.00814.27
5.5.110.0060.00914.37
5.5.100.0070.00714.30
5.5.90.0140.00014.15
5.5.80.0080.00014.39
5.5.70.0060.00614.23
5.5.60.0030.00914.30
5.5.50.0100.00314.38
5.5.40.0000.00914.13
5.5.30.0000.00914.39
5.5.20.0040.01113.79
5.5.10.0070.00314.49
5.5.00.0040.00814.22
5.4.450.0510.03615.34
5.4.440.0350.03015.39
5.4.430.0320.03215.41
5.4.420.0360.02915.29
5.4.410.0430.02715.39
5.4.400.0120.02215.10
5.4.390.0430.03215.14
5.4.380.0470.02515.13
5.4.370.0380.03015.25
5.4.360.0060.02915.08
5.4.350.0320.03214.85
5.4.340.0060.02011.67
5.4.330.0000.00711.23
5.4.320.0020.02311.80
5.4.310.0050.02311.79
5.4.300.0040.02711.82
5.4.290.0040.02011.79
5.4.280.0060.02311.86
5.4.270.0040.02311.84
5.4.260.0040.02211.79
5.4.250.0060.02211.89
5.4.240.0040.02311.82
5.4.230.0060.02111.64
5.4.220.0050.02211.76
5.4.210.0020.02811.85
5.4.200.0040.02411.79
5.4.190.0080.01611.70
5.4.180.0040.02211.63
5.4.170.0070.02011.69
5.4.160.0070.02011.77
5.4.150.0030.02211.82
5.4.140.0040.02311.63
5.4.130.0040.02411.64
5.4.120.0040.02311.59
5.4.110.0040.02211.44
5.4.100.0050.01811.49
5.4.90.0070.02111.60
5.4.80.0060.01911.42
5.4.70.0040.02311.54
5.4.60.0060.01911.67
5.4.50.0040.02211.65
5.4.40.0050.02111.58
5.4.30.0040.02111.50
5.4.20.0030.02011.47
5.4.10.0040.02211.59
5.4.00.0070.02011.38
5.3.290.0070.04012.80
5.3.280.0060.03912.71
5.3.270.0030.04212.73
5.3.260.0020.05012.72
5.3.250.0110.03112.72
5.3.240.0110.03312.72
5.3.230.0030.04212.71
5.3.220.0080.03412.68
5.3.210.0040.04112.68
5.3.200.0070.03712.68
5.3.190.0060.03612.68
5.3.180.0100.04012.67
5.3.170.0090.03512.67
5.3.160.0060.03612.68
5.3.150.0090.03912.67
5.3.140.0060.03812.66
5.3.130.0040.04112.66
5.3.120.0070.03812.66
5.3.110.0070.04112.66
5.3.100.0040.03812.12
5.3.90.0060.04212.10
5.3.80.0070.04212.09
5.3.70.0050.03712.09
5.3.60.0040.03812.07
5.3.50.0040.04512.02
5.3.40.0090.03312.02
5.3.30.0040.03811.98
5.3.20.0040.04311.77
5.3.10.0070.04111.73
5.3.00.0060.04711.72
5.2.170.0040.0319.22
5.2.160.0040.0299.21
5.2.150.0060.0309.22
5.2.140.0050.0339.21
5.2.130.0050.0299.17
5.2.120.0050.0289.17
5.2.110.0060.0289.18
5.2.100.0060.0299.18
5.2.90.0100.0259.17
5.2.80.0070.0299.17
5.2.70.0070.0299.17
5.2.60.0040.0319.12
5.2.50.0050.0309.09
5.2.40.0050.0299.07
5.2.30.0020.0349.05
5.2.20.0050.0299.04
5.2.10.0040.0368.94
5.2.00.0030.0308.80
5.1.60.0020.0268.09
5.1.50.0030.0268.09
5.1.40.0050.0248.06
5.1.30.0020.0288.41
5.1.20.0060.0258.44
5.1.10.0020.0288.16
5.1.00.0030.0318.17
5.0.50.0010.0236.64
5.0.40.0040.0186.50
5.0.30.0040.0316.32
5.0.20.0050.0186.27
5.0.10.0000.0246.26
5.0.00.0040.0306.25
4.4.90.0030.0154.78
4.4.80.0010.0184.76
4.4.70.0030.0154.75
4.4.60.0020.0164.76
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0020.0164.75
4.4.20.0030.0154.85
4.4.10.0020.0174.85
4.4.00.0030.0244.76
4.3.110.0020.0174.67
4.3.100.0020.0164.66
4.3.90.0030.0144.64
4.3.80.0030.0244.58
4.3.70.0030.0154.63
4.3.60.0020.0164.63
4.3.50.0070.0114.63
4.3.40.0020.0254.54
4.3.30.0000.0193.30
4.3.20.0010.0173.28
4.3.10.0010.0173.24
4.3.00.0100.0206.75

preferences:
46.07 ms | 400 KiB | 5 Q