3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** @author: Pavlo Matsura <webxid@ukr.net> */function _dump($str, $exit = false, $var_title = 1, $var_dump = false) {if (!$var_dump) {$buff = print_r($str, true);} else {ob_start();var_dump($str);$buff = ob_get_clean();}$dumps_html = "\nDeBuging Dump\n=============\n# " . $var_title . "\n" . "===================================\n\n" . $buff . "\n" . "===================================\n\n";echo $dumps_html;if ($exit) {exit();}} $array = array(23 => 100, 57 => "red"); _dump(array_keys($array)); /* ----------- */

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)
8.3.60.0040.01516.50
8.3.50.0080.00816.38
8.3.40.0120.00618.52
8.3.30.0120.00318.54
8.3.20.0040.00419.96
8.3.10.0080.00021.60
8.3.00.0080.00020.34
8.2.180.0070.00718.14
8.2.170.0040.01122.96
8.2.160.0110.00320.52
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00321.07
8.2.120.0040.00426.35
8.2.110.0060.00322.08
8.2.100.0120.00017.72
8.2.90.0000.00817.65
8.2.80.0060.00317.97
8.2.70.0000.00817.93
8.2.60.0000.00818.09
8.2.50.0000.00818.10
8.2.40.0040.00420.60
8.2.30.0000.00821.02
8.2.20.0030.00518.05
8.2.10.0000.00717.99
8.2.00.0070.00018.02
8.1.280.0160.00325.92
8.1.270.0000.00822.05
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0060.00321.85
8.1.230.0070.00320.73
8.1.220.0070.00020.96
8.1.210.0040.00418.77
8.1.200.0090.00017.36
8.1.190.0000.00817.13
8.1.180.0030.00518.10
8.1.170.0050.00218.84
8.1.160.0050.00319.05
8.1.150.0070.00020.68
8.1.140.0000.00919.57
8.1.130.0040.00418.80
8.1.120.0040.00417.51
8.1.110.0040.00417.41
8.1.100.0040.00417.42
8.1.90.0040.00417.32
8.1.80.0040.00417.46
8.1.70.0040.00417.46
8.1.60.0070.00317.56
8.1.50.0100.00017.54
8.1.40.0040.00417.50
8.1.30.0050.00317.59
8.1.20.0000.00817.64
8.1.10.0030.00517.41
8.1.00.0000.00817.51
8.0.300.0060.00319.94
8.0.290.0000.00716.63
8.0.280.0030.00318.43
8.0.270.0000.00717.29
8.0.260.0030.00316.88
8.0.250.0070.00016.84
8.0.240.0070.00016.92
8.0.230.0050.00216.97
8.0.220.0000.00716.79
8.0.210.0020.00516.89
8.0.200.0030.00317.01
8.0.190.0030.00516.95
8.0.180.0070.00016.82
8.0.170.0070.00016.97
8.0.160.0000.00816.83
8.0.150.0040.00416.79
8.0.140.0040.00316.90
8.0.130.0000.00513.31
8.0.120.0000.00716.80
8.0.110.0080.00016.74
8.0.100.0040.00416.88
8.0.90.0080.00016.91
8.0.80.0090.01216.77
8.0.70.0050.00216.93
8.0.60.0040.00416.80
8.0.50.0000.00716.94
8.0.30.0070.00917.02
8.0.20.0100.01017.41
8.0.10.0080.00016.88
8.0.00.0070.01516.75
7.4.330.0060.00015.55
7.4.320.0000.00616.63
7.4.300.0060.00016.50
7.4.290.0000.00816.54
7.4.280.0070.00016.48
7.4.270.0070.00016.43
7.4.260.0000.00816.52
7.4.250.0050.00216.55
7.4.240.0030.00316.51
7.4.230.0000.00716.63
7.4.220.0040.01316.71
7.4.210.0090.00916.66
7.4.200.0000.00716.51
7.4.160.0120.00316.49
7.4.150.0120.00617.40
7.4.140.0060.01317.86
7.4.130.0200.00416.55
7.4.120.0100.01216.57
7.4.110.0090.00916.54
7.4.100.0090.00916.54
7.4.90.0100.00716.47
7.4.80.0060.01519.39
7.4.70.0100.01016.63
7.4.60.0030.01216.50
7.4.50.0080.00616.51
7.4.40.0060.00916.43
7.4.30.0120.01216.54
7.4.00.0070.01014.71
7.3.330.0060.00013.21
7.3.320.0000.00513.33
7.3.310.0070.00016.22
7.3.300.0030.00316.39
7.3.290.0080.00516.31
7.3.280.0090.00716.33
7.3.270.0150.00317.40
7.3.260.0090.01016.36
7.3.250.0130.00716.57
7.3.240.0080.00916.51
7.3.230.0150.00316.38
7.3.210.0160.00316.29
7.3.200.0080.00816.41
7.3.190.0090.00616.46
7.3.180.0100.00616.65
7.3.170.0110.01116.41
7.3.160.0090.01216.64
7.3.120.0030.01414.43
7.3.110.0070.01015.02
7.3.100.0070.00614.97
7.3.90.0040.00414.57
7.3.80.0040.00914.63
7.3.70.0000.01014.95
7.3.60.0090.00614.98
7.3.50.0040.00714.93
7.3.40.0090.00614.96
7.3.30.0100.00314.90
7.3.20.0000.01116.79
7.3.10.0090.00316.61
7.3.00.0080.00516.55
7.2.330.0070.01016.50
7.2.320.0150.00616.73
7.2.310.0080.00816.82
7.2.300.0060.00916.78
7.2.290.0090.00916.73
7.2.250.0110.00714.79
7.2.240.0030.01614.83
7.2.230.0060.00915.04
7.2.220.0030.00915.32
7.2.210.0100.00615.27
7.2.200.0070.00715.04
7.2.190.0000.01214.92
7.2.180.0110.00314.97
7.2.170.0050.00515.14
7.2.130.0100.00316.82
7.2.120.0090.00617.04
7.2.110.0040.00817.07
7.2.100.0070.00416.96
7.2.90.0080.00915.83
7.2.80.0060.01015.84
7.2.70.0950.01115.95
7.2.60.0100.00616.05
7.2.50.0460.00315.99
7.2.40.0520.01015.91
7.2.30.0070.01016.05
7.2.20.0340.01316.02
7.2.10.0220.00815.87
7.2.00.0280.01015.79
7.1.330.0080.00415.60
7.1.320.0060.00315.57
7.1.310.0060.00615.75
7.1.300.0000.00915.88
7.1.290.0090.00615.87
7.1.280.0080.00315.86
7.1.270.0080.00415.74
7.1.260.0000.01015.82
7.1.250.0090.00615.63
7.1.210.0200.00313.95
7.1.200.0060.01213.77
7.1.190.0110.00713.90
7.1.180.0200.00613.67
7.1.170.0120.00314.02
7.1.160.0090.00614.10
7.1.150.0110.00413.88
7.1.140.0120.00613.74
7.1.130.0060.01013.93
7.1.120.0100.01313.71
7.1.110.0090.01413.74
7.1.100.0610.00913.99
7.1.90.1000.00613.78
7.1.80.0480.00613.69
7.1.70.0190.00814.11
7.1.60.0250.01131.95
7.1.50.0280.00731.96
7.1.40.0310.02232.00
7.1.30.1720.00631.56
7.1.20.0210.01032.00
7.1.10.0570.01013.74
7.1.00.0130.00813.63
7.0.310.0910.01313.18
7.0.300.0420.00613.63
7.0.290.0060.00913.58
7.0.280.0420.00613.50
7.0.270.0090.01613.64
7.0.260.0460.00313.52
7.0.250.0140.00913.64
7.0.240.0920.00713.46
7.0.230.0160.00413.53
7.0.220.0180.00613.45
7.0.210.0160.00813.56
7.0.200.0730.01013.66
7.0.190.0210.00713.71
7.0.180.0290.01313.67
7.0.170.0040.00813.42
7.0.160.2120.00613.59
7.0.150.0170.01213.62
7.0.140.0190.01113.68
7.0.130.0360.00313.59
7.0.120.0150.00913.64
7.0.110.0270.00913.64
7.0.100.0220.00013.39
7.0.90.0370.00413.73
7.0.80.1190.00413.41
7.0.70.0240.00013.49
7.0.60.0640.00313.75
7.0.50.0070.01213.47
7.0.40.0190.00613.37
7.0.30.0200.00513.79
7.0.20.0170.00613.56
7.0.10.0570.00413.67
7.0.00.0510.00613.84

preferences:
43.17 ms | 401 KiB | 5 Q