3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = array("hello", "what", "sorry", "Technology"); echo "=============================== hello"; echo "\n\n"; var_dump($str); echo "\n\n=============================== "; echo "=============================== ".print($str[0])."\n"; echo "\n\n123"; print_r($str); // print_r(count(null)); $str = null; echo htmlspecialchars($str, ENT_COMPAT); // 只转换双引号

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)
8.3.60.0130.01016.75
8.3.50.0140.00716.54
8.3.40.0140.00720.22
8.3.30.0080.00818.62
8.3.20.0050.00324.18
8.3.10.0070.00024.66
8.3.00.0090.00026.16
8.2.180.0120.00616.75
8.2.170.0110.00319.09
8.2.160.0070.00722.96
8.2.150.0070.00025.66
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0040.00419.95
8.2.110.0050.00522.29
8.2.100.0070.00417.91
8.2.90.0030.00617.75
8.2.80.0030.00518.91
8.2.70.0050.00317.75
8.2.60.0040.00417.75
8.2.50.0060.00317.75
8.2.40.0110.00517.62
8.2.30.0160.00017.62
8.2.20.0060.00417.62
8.2.10.0040.01217.62
8.2.00.0170.00017.62
8.1.280.0120.00925.92
8.1.270.0060.00321.94
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.10
8.1.230.0070.00417.83
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0120.00617.62
8.1.160.0130.00517.62
8.1.150.0120.00317.62
8.1.140.0100.00517.62
8.1.130.0120.00417.62
8.1.120.0040.01217.62
8.1.110.0130.00317.62
8.1.100.0090.00917.62
8.1.90.0130.00417.62
8.1.80.0140.00217.62
8.1.70.0130.00317.62
8.1.60.0170.00217.62
8.1.50.0080.00817.62
8.1.40.0150.00417.62
8.1.30.0120.00617.62
8.1.20.0080.01117.62
8.1.10.0130.00417.62
8.1.00.0140.00317.62
8.0.300.0040.00418.91
8.0.290.0080.00016.75
8.0.280.0080.00817.62
8.0.270.0130.00417.62
8.0.260.0120.00517.62
8.0.250.0130.00317.62
8.0.240.0060.00917.62
8.0.230.0090.00917.62
8.0.220.0150.00217.62
8.0.210.0160.00017.62
8.0.200.0110.00417.62
8.0.190.0090.00617.62
8.0.180.0130.00317.62
8.0.170.0090.00817.62
8.0.160.0180.00017.62
8.0.150.0140.00217.62
8.0.140.0120.00417.62
8.0.130.0130.00417.62
8.0.120.0110.00517.62
8.0.110.0070.01017.62
8.0.100.0160.00017.62
8.0.90.0140.00317.62
8.0.80.0170.00017.62
8.0.70.0090.00917.62
8.0.60.0160.00017.62
8.0.50.0080.00817.62
8.0.30.0100.00517.62
8.0.20.0110.00517.62
8.0.10.0090.00917.62

preferences:
48.75 ms | 400 KiB | 5 Q