3v4l.org

run code in 300+ PHP versions simultaneously
<?php function index() { $a = 2; $b = 8; $arr[] = $a; $arr[] = &$a; $arr[] = $a; dmp($arr); $arr[1] = $b; echo $a.PHP_EOL; dmp($arr); $a++; $b++; echo $a.PHP_EOL; dmp($arr); } function dmp($val) { echo '<pre>'; var_dump($val); echo '</pre>'; } index();

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)
8.5.30.0100.00721.16
8.5.20.0110.00619.34
8.5.10.0110.00916.81
8.5.00.0160.00619.96
8.4.180.0150.00523.85
8.4.170.0110.01122.15
8.4.160.0080.00523.12
8.4.150.0080.00517.80
8.4.140.0130.01117.45
8.4.130.0070.00517.64
8.4.120.0110.01020.78
8.4.110.0060.00322.41
8.4.100.0170.00318.53
8.4.90.0080.01218.82
8.4.80.0140.00520.61
8.4.70.0070.00218.00
8.4.60.0060.00318.75
8.4.50.0120.00721.34
8.4.40.0110.01119.45
8.4.30.0160.00318.49
8.4.20.0040.01120.71
8.4.10.0030.00619.58
8.3.300.0150.00520.65
8.3.290.0140.00920.86
8.3.280.0090.01218.53
8.3.270.0150.00616.45
8.3.260.0140.00516.63
8.3.250.0080.01119.12
8.3.240.0100.01117.23
8.3.230.0120.00816.79
8.3.220.0070.00318.86
8.3.210.0050.00318.26
8.3.200.0050.00416.39
8.3.190.0100.00917.27
8.3.180.0130.00616.44
8.3.170.0150.00316.61
8.3.160.0160.00316.47
8.3.150.0080.00017.13
8.3.140.0140.00416.60
8.3.130.0080.00019.28
8.3.120.0030.00720.78
8.3.110.0090.00020.94
8.3.100.0070.01016.88
8.3.90.0080.00019.85
8.3.80.0000.01018.18
8.3.70.0100.01016.86
8.3.60.0040.01118.28
8.3.50.0120.00416.52
8.3.40.0060.01319.02
8.3.30.0090.00618.84
8.3.20.0000.00721.84
8.3.10.0040.00421.95
8.3.00.0070.00023.48
8.2.300.0090.01017.93
8.2.290.0130.00422.32
8.2.280.0070.00220.17
8.2.270.0040.01516.65
8.2.260.0090.00919.12
8.2.250.0060.00318.21
8.2.240.0030.01418.78
8.2.230.0080.00322.58
8.2.220.0030.00524.06
8.2.210.0050.00326.77
8.2.200.0130.00016.36
8.2.190.0130.00316.58
8.2.180.0070.01116.88
8.2.170.0140.00022.96
8.2.160.0030.01020.32
8.2.150.0030.00624.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00226.16
8.2.110.0060.00319.27
8.2.100.0110.00017.84
8.2.90.0030.00518.34
8.2.80.0040.00417.97
8.2.70.0080.00018.16
8.2.60.0080.00018.22
8.2.50.0060.00318.10
8.2.40.0050.00219.42
8.2.30.0030.00519.38
8.2.20.0040.00418.07
8.2.10.0040.00418.83
8.2.00.0000.00719.37
8.1.340.0160.00617.46
8.1.330.0120.00522.07
8.1.320.0130.00616.13
8.1.310.0120.00618.39
8.1.300.0100.01018.51
8.1.290.0090.00018.88
8.1.280.0070.00725.92
8.1.270.0040.00422.64
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00022.51
8.1.230.0110.00020.97
8.1.220.0080.00017.74
8.1.210.0000.00818.88
8.1.200.0000.00817.23
8.1.190.0060.00317.13
8.1.180.0000.00818.10
8.1.170.0060.00318.46
8.1.160.0040.00418.84
8.1.150.0040.00418.74
8.1.140.0040.00418.73
8.1.130.0070.00020.02
8.1.120.0050.00317.43
8.1.110.0040.00417.29
8.1.100.0000.00817.30
8.1.90.0040.00417.41
8.1.80.0070.00017.23
8.1.70.0040.00417.29
8.1.60.0040.00417.64
8.1.50.0090.00017.48
8.1.40.0060.00317.41
8.1.30.0060.00317.53
8.1.20.0060.00317.66
8.1.10.0040.00417.60
8.1.00.0000.00817.51
8.0.300.0000.00820.03
8.0.290.0040.00416.63
8.0.280.0030.00318.45
8.0.270.0000.00816.88
8.0.260.0070.00018.36
8.0.250.0070.00016.98
8.0.240.0000.00716.92
8.0.230.0050.00216.83
8.0.220.0000.00716.92
8.0.210.0000.00816.97
8.0.200.0000.00616.87
8.0.190.0000.00716.95
8.0.180.0030.00316.81
8.0.170.0000.00816.96
8.0.160.0000.00816.86
8.0.150.0050.00216.83
8.0.140.0040.00416.75
8.0.130.0000.00713.34
8.0.120.0080.00016.92
8.0.110.0070.00016.77
8.0.100.0070.00017.01
8.0.90.0050.00216.75
8.0.80.0080.01116.83
8.0.70.0090.00016.94
8.0.60.0080.00016.79
8.0.50.0040.00416.79
8.0.30.0080.01116.89
8.0.20.0110.00917.15
8.0.10.0040.00416.78
8.0.00.0130.00616.87
7.4.330.0030.00315.55
7.4.320.0060.00016.47
7.4.300.0070.00016.60
7.4.290.0030.00316.45
7.4.280.0030.00316.43
7.4.270.0030.00316.64
7.4.260.0000.00716.45
7.4.250.0070.00016.57
7.4.240.0000.00716.49
7.4.230.0030.00316.39
7.4.220.0000.00816.32
7.4.210.0050.01216.58
7.4.200.0000.00716.48
7.4.160.0060.00916.52
7.4.140.0040.01517.86
7.4.130.0100.01416.58
7.4.120.0060.01416.42
7.4.110.0120.00616.69
7.4.100.0030.01316.56
7.4.90.0060.01216.34
7.4.80.0130.00719.39
7.4.70.0120.00316.48
7.4.60.0100.00616.45
7.4.50.0070.00716.52
7.4.40.0180.00016.71
7.4.00.0070.00714.83
7.3.330.0000.00613.36
7.3.320.0000.00613.42
7.3.310.0040.00416.29
7.3.300.0020.00516.30
7.3.290.0070.00016.36
7.3.280.0060.01016.38
7.3.260.0090.01016.53
7.3.230.0080.00916.39
7.3.210.0090.01516.52
7.3.200.0130.00916.68
7.3.190.0160.00016.64
7.3.180.0040.01216.36
7.3.170.0100.00716.50
7.3.160.0110.00516.66
7.3.60.0110.00514.78
7.3.50.0120.00214.83
7.3.40.0090.00714.67
7.3.30.0060.01114.75
7.3.20.0090.00815.77
7.3.10.0140.00315.69
7.3.00.0170.00315.73
7.2.330.0130.01016.46
7.2.320.0170.00316.42
7.2.310.0070.01616.79
7.2.300.0060.01616.49
7.2.290.0000.01716.53
7.2.190.0020.01014.79
7.2.180.0080.00614.82
7.2.170.0020.01115.02
7.2.160.0130.00614.87
7.2.150.0060.01115.83
7.2.140.0160.01116.03
7.2.130.0160.00615.96
7.2.120.0090.00615.91
7.2.110.0100.00815.93
7.2.100.0080.01316.05
7.2.90.0150.00515.96
7.2.80.0070.01015.94
7.2.70.0110.01015.80
7.2.60.0110.01016.00
7.2.50.0110.01115.95
7.2.40.0100.00416.16
7.2.30.0540.00316.14
7.2.20.0140.00215.93
7.2.10.0080.00915.88
7.2.00.0060.00815.89
7.1.300.0050.00815.06
7.1.290.0090.00714.78
7.1.280.0110.00514.81
7.1.270.0110.00514.83
7.1.260.0140.00614.98
7.1.250.0080.00614.84

preferences:
107.87 ms | 1483 KiB | 5 Q