3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public $a = 1; public function &getA() { return $a = [ &$this->a ];; } } $a = new Test(); $b = &$a->getA(); $a->a = 2; var_dump($b);

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)
8.3.60.0090.00918.48
8.3.50.0130.00821.27
8.3.40.0070.01518.79
8.3.30.0100.00320.26
8.3.20.0080.00020.21
8.3.10.0030.00522.15
8.3.00.0040.00422.41
8.2.180.0120.00916.75
8.2.170.0100.01022.96
8.2.160.0100.00320.47
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0040.00419.54
8.2.110.0090.00022.25
8.2.100.0110.00019.28
8.2.90.0000.00719.22
8.2.80.0040.00419.38
8.2.70.0090.00017.38
8.2.60.0040.00418.04
8.2.50.0080.00018.07
8.2.40.0050.00318.09
8.2.30.0020.00517.98
8.2.20.0000.00717.70
8.2.10.0070.00017.55
8.2.00.0040.00417.66
8.1.280.0100.00325.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0040.00719.08
8.1.220.0000.00917.74
8.1.210.0040.00718.77
8.1.200.0030.00617.35
8.1.190.0000.00917.52
8.1.180.0050.00520.20
8.1.170.0060.00318.65
8.1.160.0000.00722.17
8.1.150.0050.00218.54
8.1.140.0000.00717.36
8.1.130.0040.00417.78
8.1.120.0040.00417.35
8.1.110.0000.00717.34
8.1.100.0080.00017.41
8.1.90.0000.00717.45
8.1.80.0040.00417.35
8.1.70.0000.00617.32
8.1.60.0040.00417.57
8.1.50.0040.00417.47
8.1.40.0000.00717.47
8.1.30.0000.00817.47
8.1.20.0050.00317.50
8.1.10.0050.00317.59
8.1.00.0030.00617.54
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0070.00018.38
8.0.270.0030.00317.12
8.0.260.0030.00316.87
8.0.250.0000.00616.98
8.0.240.0000.00916.94
8.0.230.0000.00716.89
8.0.220.0030.00616.95
8.0.210.0030.00316.93
8.0.200.0030.00517.05
8.0.190.0050.00317.01
8.0.180.0080.00016.97
8.0.170.0040.00416.87
8.0.160.0030.00516.89
8.0.150.0040.00416.88
8.0.140.0070.00016.87
8.0.130.0030.00313.35
8.0.120.0000.00816.94
8.0.110.0000.00716.80
8.0.100.0000.00716.95
8.0.90.0000.00716.95
8.0.80.0150.00616.94
8.0.70.0050.00316.74
8.0.60.0040.00416.83
8.0.50.0000.00716.74
8.0.30.0150.00417.04
8.0.20.0110.00917.40
8.0.10.0040.00417.00
8.0.00.0080.01516.69
7.4.330.0000.00515.00
7.4.320.0000.00716.56
7.4.300.0060.00016.57
7.4.290.0030.00316.42
7.4.280.0050.00316.62
7.4.270.0040.00416.49
7.4.260.0000.00716.60
7.4.250.0040.00416.55
7.4.240.0020.00616.41
7.4.230.0000.00716.39
7.4.220.0100.01016.56
7.4.210.0080.00716.61
7.4.200.0030.00316.38
7.4.190.0050.00316.69
7.4.160.0130.00316.38
7.4.150.0180.00917.40
7.4.140.0100.00917.86
7.4.130.0100.00716.48
7.4.120.0070.01016.44
7.4.110.0130.00416.42
7.4.100.0080.01116.50
7.4.90.0030.01416.54
7.4.80.0100.01319.39
7.4.70.0080.00816.55
7.4.60.0080.00816.52
7.4.50.0050.00316.33
7.4.40.0030.01522.77
7.4.30.0060.01016.43
7.4.00.0100.00714.94
7.3.330.0020.00213.18
7.3.320.0050.00013.30
7.3.310.0050.00216.41
7.3.300.0070.00016.25
7.3.290.0100.00716.40
7.3.280.0070.00816.36
7.3.270.0050.01017.40
7.3.260.0030.01716.50
7.3.250.0120.00616.52
7.3.240.0100.00716.51
7.3.230.0060.01216.53
7.3.210.0090.00616.46
7.3.200.0150.00619.39
7.3.190.0050.01316.38
7.3.180.0040.01116.24
7.3.170.0100.00716.34
7.3.160.0130.00716.52
7.3.120.0090.00914.88
7.3.110.0100.00514.83
7.3.100.0060.00914.75
7.3.90.0130.00314.64
7.3.80.0080.00314.95
7.3.70.0090.00514.85
7.3.60.0040.00814.76
7.3.50.0040.01314.56
7.3.40.0110.00514.85
7.3.30.0070.00914.43
7.3.20.0090.00516.71
7.3.10.0080.00616.54
7.3.00.0070.00916.73
7.2.330.0080.00816.74
7.2.320.0100.01016.68
7.2.310.0100.01016.58
7.2.300.0060.01016.37
7.2.290.0100.00716.38
7.2.250.0070.01115.16
7.2.240.0050.01214.95
7.2.230.0060.00714.96
7.2.220.0030.01115.04
7.2.210.0050.00915.05
7.2.200.0040.00814.86
7.2.190.0090.00614.98
7.2.180.0070.00915.11
7.2.170.0080.00614.88
7.2.160.0120.00015.07
7.2.150.0040.01216.70
7.2.140.0110.00717.02
7.2.130.0070.00716.75
7.2.120.0060.01117.02
7.2.110.0000.01216.64
7.2.100.0000.01216.79
7.2.90.0070.01016.96
7.2.80.0030.01016.76
7.2.70.0070.00716.92
7.2.60.0050.00816.75
7.2.50.0080.00716.88
7.2.40.0150.00316.97
7.2.30.0040.01417.04
7.2.20.0100.00716.66
7.2.10.0040.01116.60
7.2.00.0070.00818.21
7.1.330.0050.01215.84
7.1.320.0010.01515.71
7.1.310.0050.00815.77
7.1.300.0050.01015.81
7.1.290.0090.00615.71
7.1.280.0070.00915.88
7.1.270.0080.00615.62
7.1.260.0060.00915.80
7.1.250.0040.00715.51
7.1.200.0030.00715.73
7.1.70.0110.00017.20
7.1.60.0120.01219.21
7.1.50.0070.01516.87
7.1.00.0000.05022.44
7.0.200.0090.00016.75
7.0.140.0000.07722.12
7.0.60.0170.04019.90
7.0.50.0100.07717.91
7.0.40.0130.06720.26
7.0.30.0300.07320.34
7.0.20.0230.04320.07
7.0.10.0270.07720.24
7.0.00.0070.04020.23
5.6.280.0000.07720.89
5.6.210.0030.05720.48
5.6.200.0070.09018.15
5.6.190.0070.09320.66
5.6.180.0170.04720.63
5.6.170.0200.04720.55
5.6.160.0070.05020.71
5.6.150.0000.04318.25
5.6.140.0070.06718.18
5.6.130.0170.07718.23
5.6.120.0030.06021.01
5.6.110.0070.07721.04
5.6.100.0030.09020.88
5.6.90.0070.03720.97
5.6.80.0030.08720.38
5.6.70.0230.07720.48
5.5.350.0030.07320.44
5.5.340.0100.06717.95
5.5.330.0100.08720.25
5.5.320.0270.05720.24
5.5.310.0270.03320.36
5.5.300.0030.08318.04
5.5.290.0030.08017.92
5.5.280.0030.07320.74
5.5.270.0200.06320.93
5.5.260.0070.05720.72
5.5.250.0070.08320.68
5.5.240.0030.06720.25
5.4.450.0600.05719.34
5.4.440.0830.05719.20
5.4.430.0000.06319.48
5.4.420.0730.05319.33
5.4.410.0800.05019.35
5.4.400.0400.05318.71
5.4.390.0470.04718.80
5.4.380.0200.05018.50
5.4.370.0330.04718.75
5.4.360.0300.05018.59
5.4.350.0040.03912.02
5.4.340.0090.03312.01
5.4.320.0030.04512.50
5.4.310.0070.04712.50
5.4.300.0030.03812.50
5.4.290.0070.04412.50
5.4.280.0070.03812.39
5.4.270.0080.04412.40
5.4.260.0080.03412.39
5.4.250.0100.05018.87
5.4.240.0170.04718.93
5.4.230.0070.05018.98
5.4.220.0100.05318.98
5.4.210.0130.06718.61
5.4.200.0100.06318.61
5.4.190.0030.05318.94
5.4.180.0070.07018.86
5.4.170.0000.06018.94
5.4.160.0070.07318.77
5.4.150.0170.06018.88
5.4.140.0070.05316.43
5.4.130.0100.07016.42
5.4.120.0100.07016.39
5.4.110.0070.06716.52
5.4.100.0100.04716.57
5.4.90.0030.05316.31
5.4.80.0170.04716.49
5.4.70.0030.07016.29
5.4.60.0030.05716.39
5.4.50.0100.05016.43
5.4.40.0000.07316.48
5.4.30.0130.05016.48
5.4.20.0130.05316.43
5.4.10.0100.05016.25
5.4.00.0030.07315.84
5.3.290.0040.04012.80
5.3.280.0030.05714.68
5.3.270.0070.05314.69
5.3.260.0030.05314.75
5.3.250.0000.06714.67
5.3.240.0130.04314.69
5.3.230.0070.05714.58
5.3.220.0100.05014.59
5.3.210.0170.05714.71
5.3.200.0000.08014.57
5.3.190.0070.05314.74
5.3.180.0130.05014.64
5.3.170.0130.05714.54
5.3.160.0030.06714.64
5.3.150.0170.06014.63
5.3.140.0030.05014.63
5.3.130.0100.07014.53
5.3.120.0100.06714.45
5.3.110.0000.07014.37
5.3.100.0030.05314.14
5.3.90.0100.05714.00
5.3.80.0070.06314.08
5.3.70.0000.06014.09
5.3.60.0030.05014.17
5.3.50.0000.06314.03
5.3.40.0070.06014.17
5.3.30.0030.06013.81
5.3.20.0170.05713.66
5.3.10.0100.04013.63
5.3.00.0000.05313.54
5.2.170.0170.04711.36
5.2.160.0070.05011.10
5.2.150.0070.04011.13
5.2.140.0100.03711.22
5.2.130.0030.04011.32
5.2.120.0030.05011.06
5.2.110.0030.05011.16
5.2.100.0030.04311.05
5.2.90.0000.04011.16
5.2.80.0070.03711.26
5.2.70.0030.05311.17
5.2.60.0000.04311.20
5.2.50.0030.04311.23
5.2.40.0000.04311.06
5.2.30.0070.05010.80
5.2.20.0030.04310.94
5.2.10.0070.04311.07
5.2.00.0100.04310.89
5.1.60.0030.04310.08
5.1.50.0100.03010.19
5.1.40.0030.0439.90
5.1.30.0030.04010.39
5.1.20.0100.04710.25
5.1.10.0100.03010.04
5.1.00.0030.04010.20
5.0.50.0030.0308.69
5.0.40.0070.0238.69
5.0.30.0030.0578.69
5.0.20.0030.0278.69
5.0.10.0070.0208.69
5.0.00.0130.0338.69
4.4.90.0030.0208.69
4.4.80.0070.0208.69
4.4.70.0000.0308.69
4.4.60.0070.0238.69
4.4.50.0070.0238.69
4.4.40.0070.0408.69
4.4.30.0070.0238.69
4.4.20.0000.0278.69
4.4.10.0030.0308.69
4.4.00.0030.0338.69
4.3.110.0000.0308.69
4.3.100.0070.0178.69
4.3.90.0030.0208.69
4.3.80.0030.0308.69
4.3.70.0030.0278.69
4.3.60.0000.0208.69
4.3.50.0070.0178.69
4.3.40.0000.0338.69
4.3.30.0000.0238.69
4.3.20.0070.0308.69
4.3.10.0000.0278.69
4.3.00.0130.0206.16

preferences:
46.11 ms | 401 KiB | 5 Q