3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('display_errors', 1); ini_set('display_startup_errors', 1); error_reporting(-1); $x = 12; $y = &$x; $ar = ['a' => 1, 'b' => 2]; $ar['b'] = &$x; var_dump($ar);

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)
8.3.70.0060.01216.50
8.3.60.0180.00416.75
8.3.50.0080.00816.62
8.3.40.0040.01118.70
8.3.30.0140.00318.55
8.3.20.0000.00721.90
8.3.10.0050.00321.90
8.3.00.0040.00419.67
8.2.190.0070.01116.58
8.2.180.0140.00018.16
8.2.170.0110.00422.96
8.2.160.0140.00019.33
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00820.38
8.2.120.0050.00226.35
8.2.110.0030.00722.07
8.2.100.0030.00917.72
8.2.90.0040.00419.21
8.2.80.0030.00519.23
8.2.70.0090.00017.63
8.2.60.0000.00817.93
8.2.50.0030.00518.10
8.2.40.0000.00720.48
8.2.30.0050.00219.31
8.2.20.0040.00418.04
8.2.10.0000.00717.89
8.2.00.0040.00417.96
8.1.280.0070.00725.92
8.1.270.0040.00423.92
8.1.260.0050.00326.35
8.1.250.0020.00528.09
8.1.240.0060.00323.87
8.1.230.0040.00722.11
8.1.220.0080.00017.74
8.1.210.0030.00818.77
8.1.200.0000.00917.23
8.1.190.0030.00517.22
8.1.180.0060.00318.10
8.1.170.0050.00318.42
8.1.160.0040.00418.76
8.1.150.0050.00218.87
8.1.140.0070.00019.51
8.1.130.0040.00418.84
8.1.120.0040.00417.47
8.1.110.0000.00817.42
8.1.100.0050.00317.38
8.1.90.0080.00017.28
8.1.80.0000.00817.34
8.1.70.0040.00417.39
8.1.60.0000.00817.41
8.1.50.0040.00417.48
8.1.40.0040.00417.38
8.1.30.0040.00417.48
8.1.20.0000.00717.63
8.1.10.0080.00017.52
8.1.00.0070.00017.36
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0030.00317.11
8.0.260.0030.00318.81
8.0.250.0040.00416.80
8.0.240.0000.00816.91
8.0.230.0070.00016.88
8.0.220.0000.00716.86
8.0.210.0050.00216.83
8.0.200.0070.00016.87
8.0.190.0000.00816.79
8.0.180.0040.00416.90
8.0.170.0000.00816.75
8.0.160.0000.00816.71
8.0.150.0000.00716.66
8.0.140.0000.00716.79
8.0.130.0030.00313.24
8.0.120.0030.00316.70
8.0.110.0000.00716.75
8.0.100.0000.00816.71
8.0.90.0050.00316.84
8.0.80.0140.00616.79
8.0.70.0000.00816.82
8.0.60.0030.00616.69
8.0.50.0050.00316.85
8.0.30.0070.01217.04
8.0.20.0130.00617.40
8.0.10.0000.00716.95
8.0.00.0090.00916.55
7.4.330.0060.00015.55
7.4.320.0030.00316.54
7.4.300.0060.00016.45
7.4.290.0050.00216.38
7.4.280.0050.00316.43
7.4.270.0000.00716.37
7.4.260.0000.00716.45
7.4.250.0000.00816.35
7.4.240.0000.00816.44
7.4.230.0000.00716.29
7.4.220.0150.00316.32
7.4.210.0080.01216.53
7.4.200.0030.00316.43
7.4.160.0050.01216.50
7.4.150.0140.00417.40
7.4.140.0130.00717.86
7.4.130.0130.00616.43
7.4.120.0130.00916.46
7.4.110.0070.01116.24
7.4.100.0130.00316.55
7.4.90.0130.00716.29
7.4.80.0120.00919.39
7.4.70.0080.01516.46
7.4.60.0090.00616.20
7.4.50.0040.01116.35
7.4.40.0170.00316.57
7.4.30.0060.00916.54
7.4.00.0090.00914.63
7.3.330.0000.00513.05
7.3.320.0000.00612.95
7.3.310.0030.00316.22
7.3.300.0070.00016.19
7.3.290.0050.00916.24
7.3.280.0080.00916.23
7.3.270.0060.01117.40
7.3.260.0100.00816.33
7.3.250.0090.01116.38
7.3.240.0060.01116.22
7.3.230.0130.00316.44
7.3.210.0140.00416.52
7.3.200.0090.00916.20
7.3.190.0100.01416.13
7.3.180.0160.00416.26
7.3.170.0120.00416.50
7.3.160.0110.00716.38
7.3.10.0090.00416.30
7.3.00.0070.00716.39
7.2.330.0060.01216.52
7.2.320.0180.00016.26
7.2.310.0090.00916.57
7.2.300.0070.01416.62
7.2.290.0100.01016.43
7.2.130.0040.00716.44
7.2.120.0130.00716.75
7.2.110.0090.00616.74
7.2.100.0070.00716.57
7.2.90.0080.00816.77
7.2.80.0070.00516.77
7.2.70.0100.00316.88
7.2.60.0060.00916.33
7.2.50.0090.01116.39
7.2.40.0130.00616.64
7.2.30.0100.01016.64
7.2.20.0110.01016.57
7.2.10.0090.01016.54
7.2.00.0120.00716.75
7.1.250.0060.00815.70
7.1.70.0070.00017.11
7.1.60.0060.00617.13
7.1.50.0600.00732.80
7.1.40.0570.01032.23
7.1.30.0500.01032.58
7.1.20.0530.01332.80
7.1.10.0300.01014.54
7.1.00.0300.00714.72
7.0.200.0000.01216.62
7.0.190.0400.01014.57
7.0.180.0330.01014.15
7.0.170.0600.01014.18
7.0.160.0370.01014.39
7.0.150.0230.01314.33
7.0.140.0270.00714.39
7.0.130.0330.00014.65
7.0.120.0300.00314.44
7.0.110.0230.01014.22
7.0.100.0370.01314.33
7.0.90.0300.00314.30
7.0.80.0330.01014.34
7.0.70.0230.01014.33
7.0.60.0230.00714.07
7.0.50.0230.00714.42
7.0.40.0200.01314.63
7.0.30.0230.01014.67
7.0.20.0200.01314.56
7.0.10.0330.01314.35
7.0.00.0500.01014.45

preferences:
51.47 ms | 401 KiB | 5 Q