3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_numbers = array(); for ($i = 0; $i < 256; $i++) { $_numbers['pack'][$i] = pack('v', $i); } echo $_numbers

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)
5.4.280.0100.04512.35
5.4.270.0090.04512.35
5.4.260.0130.04312.35
5.4.250.0100.04912.35
5.4.240.0090.04312.35
5.4.230.0080.04612.34
5.4.220.0090.04312.34
5.4.210.0100.04312.34
5.4.200.0100.04912.34
5.4.190.0090.04612.34
5.4.180.0080.04512.34
5.4.170.0090.04512.35
5.4.160.0090.04612.34
5.4.150.0070.04312.34
5.4.140.0050.04712.03
5.4.130.0110.03912.01
5.4.120.0090.04911.97
5.4.110.0050.04311.97
5.4.100.0090.04211.97
5.4.90.0100.06011.97
5.4.80.0110.05111.97
5.4.70.0100.05511.97
5.4.60.0130.05711.97
5.4.50.0090.05111.97
5.4.40.0060.04711.96
5.4.30.0100.05011.95
5.4.20.0080.05011.95
5.4.10.0090.04911.95
5.4.00.0080.05311.45
5.3.280.0100.05312.71
5.3.270.0110.05212.73
5.3.260.0080.05112.72
5.3.250.0070.05012.72
5.3.240.0090.04812.72
5.3.230.0050.05112.71
5.3.220.0120.04512.68
5.3.210.0080.05212.68
5.3.200.0130.05212.68
5.3.190.0090.05412.67
5.3.180.0110.05412.67
5.3.170.0090.05312.67
5.3.160.0050.05112.68
5.3.150.0080.04912.67
5.3.140.0090.04912.66
5.3.130.0080.05712.66
5.3.120.0090.05412.65
5.3.110.0090.05112.66
5.3.100.0090.04712.12
5.3.90.0120.05712.08
5.3.80.0050.04912.08
5.3.70.0080.04612.08
5.3.60.0070.04612.07
5.3.50.0090.04912.00
5.3.40.0090.04912.00
5.3.30.0120.04411.95
5.3.20.0090.04711.72
5.3.10.0070.05511.69
5.3.00.0070.05711.67
5.2.170.0110.0439.17
5.2.160.0040.0479.17
5.2.150.0080.0449.17
5.2.140.0070.0429.17
5.2.130.0050.0389.12
5.2.120.0080.0369.13
5.2.110.0070.0379.14
5.2.100.0070.0369.13
5.2.90.0080.0399.13
5.2.80.0040.0459.13
5.2.70.0050.0419.12
5.2.60.0080.0439.08
5.2.50.0100.0409.05
5.2.40.0070.0419.02
5.2.30.0080.0439.00
5.2.20.0090.0388.99
5.2.10.0110.0358.91
5.2.00.0090.0368.77
5.1.60.0070.0338.06
5.1.50.0060.0358.06
5.1.40.0070.0328.05
5.1.30.0050.0348.39
5.1.20.0080.0328.42
5.1.10.0070.0328.14
5.1.00.0020.0368.13
5.0.50.0070.0246.62
5.0.40.0090.0216.47
5.0.30.0100.0386.29
5.0.20.0050.0246.26
5.0.10.0070.0256.24
5.0.00.0030.0416.22
4.4.90.0030.0224.78
4.4.80.0050.0194.76
4.4.70.0050.0184.75
4.4.60.0060.0174.76
4.4.50.0060.0194.77
4.4.40.0050.0314.71
4.4.30.0050.0194.76
4.4.20.0070.0194.84
4.4.10.0050.0214.85
4.4.00.0070.0334.76
4.3.110.0060.0214.67
4.3.100.0040.0194.66
4.3.90.0100.0154.63
4.3.80.0070.0284.58
4.3.70.0040.0184.63
4.3.60.0050.0164.62
4.3.50.0050.0194.63
4.3.40.0040.0274.54
4.3.30.0040.0203.29
4.3.20.0020.0203.27
4.3.10.0040.0313.22
4.3.00.0030.0206.89

preferences:
141.07 ms | 1386 KiB | 7 Q