3v4l.org

run code in 300+ PHP versions simultaneously
<?php function print_while_each($list) { while (list($key, $val) = each($list)) { echo $key, $val; if ($val == '2') { $list[] = 4; } } } function print_foreach($list) { foreach ($list as $key => $val) { echo $key, $val; if ($val == '2') { $list[] = 4; } } } function print_while_next($list) { $val = reset($list); while (!empty($val)) { $key = key($list); $val = current($list); echo $key, $val; if ($val == '2') { $list[] = 4; } $val = next($list); } } $list = array('1', '2', '3'); print_while_each($list); echo '<br>', PHP_EOL; print_foreach($list); echo '<br>', PHP_EOL; print_while_next($list); echo '<br>', PHP_EOL;

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)
8.4.130.0090.01217.73
8.4.120.0130.00720.69
8.4.110.0040.00518.75
8.4.100.0090.00918.09
8.4.90.0150.00520.50
8.4.80.0040.00618.89
8.4.70.0110.00920.79
8.4.60.0100.01220.68
8.4.50.0110.01018.82
8.4.40.0100.01018.02
8.4.30.0100.00617.70
8.4.20.0140.00719.72
8.4.10.0070.00417.79
8.3.260.0110.00816.91
8.3.250.0130.00518.65
8.3.240.0120.00716.81
8.3.230.0080.01016.82
8.3.220.0130.00620.66
8.3.210.0120.00616.85
8.3.200.0060.00216.38
8.3.190.0060.00416.86
8.3.180.0130.00618.66
8.3.170.0060.01217.08
8.3.160.0110.00719.02
8.3.150.0130.00616.68
8.3.140.0000.00816.90
8.3.130.0080.00018.60
8.3.120.0040.00418.76
8.3.110.0040.00420.94
8.3.100.0060.00918.30
8.3.90.0040.00426.77
8.3.80.0040.00417.97
8.3.70.0090.00916.63
8.3.60.0040.01418.43
8.3.50.0100.00319.10
8.3.40.0150.00018.79
8.3.30.0040.01118.81
8.3.20.0030.00520.25
8.3.10.0050.00320.53
8.3.00.0050.00223.68
8.2.290.0050.00817.13
8.2.280.0100.00518.68
8.2.270.0080.01216.92
8.2.260.0180.00017.23
8.2.250.0000.00817.13
8.2.240.0030.00618.72
8.2.230.0100.00022.58
8.2.220.0030.00624.06
8.2.210.0060.00326.77
8.2.200.0090.00016.88
8.2.190.0110.00716.75
8.2.180.0120.00918.38
8.2.170.0070.00722.96
8.2.160.0030.01020.35
8.2.150.0000.00724.18
8.2.140.0030.00524.66
8.2.130.0030.00620.28
8.2.120.0040.00426.35
8.2.110.0000.01021.18
8.2.100.0110.00717.47
8.2.90.0090.00019.08
8.2.80.0080.00017.97
8.2.70.0030.00617.50
8.2.60.0000.00817.80
8.2.50.0030.00518.10
8.2.40.0040.00420.48
8.2.30.0040.00419.13
8.2.20.0050.00317.90
8.2.10.0050.00218.01
8.2.00.0040.00418.00
8.1.330.0110.00817.82
8.1.320.0100.00916.27
8.1.310.0030.00516.67
8.1.300.0040.00416.36
8.1.290.0000.00930.84
8.1.280.0070.00725.92
8.1.270.0060.00320.61
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00422.14
8.1.230.0070.00417.83
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0080.00017.35
8.1.180.0070.00018.10
8.1.170.0040.00418.62
8.1.160.0040.00418.76
8.1.150.0050.00218.96
8.1.140.0000.00719.01
8.1.130.0030.00318.76
8.1.120.0030.00717.38
8.1.110.0040.00417.31
8.1.100.0040.00417.28
8.1.90.0030.00617.43
8.1.80.0040.00417.40
8.1.70.0030.00317.36
8.1.60.0040.00417.45
8.1.50.0120.00017.51
8.1.40.0050.00317.40
8.1.30.0070.00017.52
8.1.20.0040.00417.67
8.1.10.0000.00917.45
8.1.00.0070.00017.44
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0050.00318.32
8.0.270.0030.00316.77
8.0.260.0080.00016.89
8.0.250.0100.00016.96
8.0.240.0050.00316.95
8.0.230.0070.00016.84
8.0.220.0030.00316.85
8.0.210.0000.00816.88
8.0.200.0040.00416.90
8.0.190.0040.00416.90
8.0.180.0000.00916.98
8.0.170.0040.00417.02
8.0.160.0000.00717.00
8.0.150.0000.00716.83
8.0.140.0000.00816.76
8.0.130.0060.00013.39
8.0.120.0000.00816.78
8.0.110.0070.00016.92
8.0.100.0040.00416.93
8.0.90.0050.00216.75
8.0.80.0100.01616.98
8.0.70.0000.00716.73
8.0.60.0000.00716.95
8.0.50.0050.00316.92
8.0.30.0110.00917.08
8.0.20.0090.01017.40
8.0.10.0040.00417.00
8.0.00.0070.01217.01
7.4.330.0000.00515.55
7.4.320.0030.00316.54
7.4.300.0060.00016.62
7.4.290.0000.00716.48
7.4.280.0060.00316.51
7.4.270.0040.00416.52
7.4.260.0000.00816.58
7.4.250.0050.00216.39
7.4.240.0030.00416.63
7.4.230.0000.00716.50
7.4.220.0110.01016.47
7.4.210.0030.01116.62
7.4.200.0030.00316.64
7.4.160.0120.00616.51
7.4.150.0090.00917.40
7.4.140.0120.00617.86
7.4.130.0130.00316.48
7.4.120.0100.00816.56
7.4.110.0060.01016.51
7.4.100.0060.00916.54
7.4.90.0100.00716.55
7.4.80.0060.01019.39
7.4.70.0130.00916.58
7.4.60.0160.00816.56
7.4.50.0030.01316.48
7.4.40.0140.00616.43
7.4.30.0100.00516.68
7.4.00.0080.01015.24
7.3.330.0000.00613.52
7.3.320.0000.00613.42
7.3.310.0050.00216.49
7.3.300.0040.00416.45
7.3.290.0100.01016.33
7.3.280.0070.01016.49
7.3.270.0070.01417.40
7.3.260.0110.00716.62
7.3.250.0130.00716.42
7.3.240.0090.01016.46
7.3.230.0060.01116.31
7.3.210.0070.01016.54
7.3.200.0000.01616.41
7.3.190.0060.01116.44
7.3.180.0120.00416.61
7.3.170.0100.01016.35
7.3.160.0110.00616.36
7.3.120.0060.01314.91
7.3.110.0040.01414.57
7.3.100.0030.01414.98
7.3.90.0070.01114.65
7.3.80.0060.00315.11
7.3.70.0030.01314.92
7.3.60.0070.00714.97
7.3.50.0000.01014.81
7.3.40.0110.00814.81
7.3.30.0120.00614.96
7.3.20.0000.01216.75
7.3.10.0060.00416.77
7.3.00.0050.00916.68
7.2.330.0030.01516.70
7.2.320.0030.01416.72
7.2.310.0060.01216.70
7.2.300.0120.00616.87
7.2.290.0030.01416.73
7.2.250.0120.00914.77
7.2.240.0000.01315.14
7.2.230.0070.01015.35
7.2.220.0030.01314.99
7.2.210.0070.01014.96
7.2.200.0000.01315.17
7.2.190.0070.00715.00
7.2.180.0030.01015.13
7.2.170.0070.01315.08
7.2.130.0060.00616.93
7.2.120.0050.00717.01
7.2.110.0080.00716.93
7.2.100.0030.00916.81
7.2.90.0050.00917.01
7.2.80.0050.00716.70
7.2.70.0050.00916.74
7.2.60.0050.00916.95
7.2.50.0050.00816.76
7.2.40.0100.00516.94
7.2.30.0030.01216.90
7.2.20.0040.00916.80
7.2.10.0060.00816.91
7.2.00.0060.00618.01
7.1.330.0070.01015.80
7.1.320.0060.00915.92
7.1.310.0000.01615.98
7.1.300.0030.00915.81
7.1.290.0070.01016.02
7.1.280.0090.00915.87
7.1.270.0030.00615.57
7.1.260.0070.00715.91
7.1.250.0060.00615.64
7.1.200.0070.00715.98
7.1.120.0040.00718.82
7.1.110.0050.00517.85
7.1.100.0000.01418.25
7.1.90.0050.00518.18
7.1.80.0080.00317.93
7.1.70.0030.00717.30
7.1.60.0210.00735.19
7.1.50.0150.00834.89
7.1.40.0180.00634.35
7.1.30.0200.00734.51
7.1.20.0200.00334.73
7.1.10.0070.00316.64
7.1.00.0070.00316.48

preferences:
29.39 ms | 403 KiB | 5 Q