3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(count([]), count(''), []-1);

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)
8.3.60.0160.00418.39
8.3.50.0100.00821.85
8.3.40.0080.00618.61
8.3.30.0100.01018.60
8.3.20.0080.00018.68
8.3.10.0070.00721.11
8.3.00.0070.01123.48
8.2.180.0120.00916.75
8.2.170.0110.00422.96
8.2.160.0130.00720.52
8.2.150.0120.00324.18
8.2.140.0120.00324.66
8.2.130.0040.00426.16
8.2.120.0100.00320.89
8.2.110.0030.00722.20
8.2.100.0060.00318.85
8.1.280.0130.00625.92
8.1.270.0060.00923.99
8.1.260.0080.00026.35
8.1.250.0080.00628.09
8.1.240.0100.00018.62
8.1.230.0100.00018.50
5.4.160.0100.07719.09
5.4.150.0070.08019.12
5.4.140.0030.05016.29
5.4.130.0000.04016.28
5.4.120.0030.03716.36
5.4.110.0030.05016.36
5.4.100.0070.07316.38
5.4.90.0070.06716.30
5.4.80.0030.04016.42
5.4.70.0070.04016.29
5.4.60.0030.07016.19
5.4.50.0070.04716.21
5.4.40.0100.06716.45
5.4.30.0100.06716.20
5.4.20.0000.07716.38
5.4.10.0100.07016.19
5.4.00.0070.05715.79
5.3.260.0070.07714.60
5.3.250.0000.08014.46
5.3.240.0030.04014.55
5.3.230.0030.04014.56
5.3.220.0070.07314.43
5.3.210.0070.04714.55
5.3.200.0000.07714.53
5.3.190.0030.06314.43
5.3.180.0030.05714.52
5.3.170.0030.06714.50
5.3.160.0030.06714.43
5.3.150.0070.05714.54
5.3.140.0100.06014.54
5.3.130.0030.08714.54
5.3.120.0070.06014.51
5.3.110.0130.07014.40
5.3.100.0030.08313.89
5.3.90.0100.07014.02
5.3.80.0070.07314.00
5.3.70.0070.05314.01
5.3.60.0070.07014.00
5.3.50.0130.06713.80
5.3.40.0170.06013.95
5.3.30.0230.06013.86
5.3.20.0030.07313.65
5.3.10.0030.03713.60
5.3.00.0130.07313.62
5.2.170.0030.06312.39
5.2.160.0070.06012.39
5.2.150.0070.06012.39
5.2.140.0070.05312.39
5.2.130.0030.06012.39
5.2.120.0100.03012.39
5.2.110.0070.06312.39
5.2.100.0100.05312.39
5.2.90.0030.06312.39
5.2.80.0100.05712.39
5.2.70.0130.06012.39
5.2.60.0000.06712.39
5.2.50.0170.05012.39
5.2.40.0100.04012.39
5.2.30.0030.05712.39
5.2.20.0000.04712.39
5.2.10.0130.04712.39
5.2.00.0070.04312.39
5.1.60.0030.05012.39
5.1.50.0070.03712.39
5.1.40.0030.04312.39
5.1.30.0000.06012.39
5.1.20.0030.04712.39
5.1.10.0000.03012.39
5.1.00.0030.05312.39
5.0.50.0070.04012.39
5.0.40.0030.04312.39
5.0.30.0000.06712.39
5.0.20.0000.02312.39
5.0.10.0070.02712.39
5.0.00.0000.03012.39
4.4.90.0000.03712.39
4.4.80.0030.03312.39
4.4.70.0000.03712.39
4.4.60.0000.03712.39
4.4.50.0070.03312.39
4.4.40.0030.05312.39
4.4.30.0000.02312.39
4.4.20.0000.02012.39
4.4.10.0030.03712.39
4.4.00.0070.05012.39
4.3.110.0000.02712.39
4.3.100.0000.04312.39
4.3.90.0000.01712.39
4.3.80.0000.05712.39
4.3.70.0000.03712.39
4.3.60.0000.02312.39
4.3.50.0000.03712.39
4.3.40.0000.03712.39
4.3.30.0000.03012.39
4.3.20.0000.03712.39
4.3.10.0070.02712.39
4.3.00.0000.03312.39

preferences:
43.56 ms | 401 KiB | 5 Q