3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $str = ''; while ($val > 0) { $str .= $chars[$val % $base]; $val = int($val / $chars); } return $str; } function gdr_decode($val) { return base_convert(strval($val), 16, 10); } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = json_encode(gdr_encode($val)); $dec = json_encode(gdr_decode($enc)); $val = json_encode($val); if (strlen($enc) > strlen($val)) { echo "$enc $val WORSE\n"; } else if (strlen($enc) == strlen($val)) { echo "$enc $val EQUAL\n"; } else { echo "$enc $val\n"; } }

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)
5.4.310.0060.04212.52
5.4.300.0040.03812.52
5.4.290.0070.03712.51
5.4.280.0070.03512.41
5.4.270.0060.03712.41
5.4.260.0060.03712.41
5.4.250.0060.04112.41
5.4.240.0090.03712.41
5.4.230.0070.04312.40
5.4.220.0070.04812.40
5.4.210.0060.03512.40
5.4.200.0070.03612.40
5.4.190.0080.03412.40
5.4.180.0070.03512.40
5.4.170.0060.05012.40
5.4.160.0060.03612.40
5.4.150.0090.03312.40
5.4.140.0070.03612.09
5.4.130.0050.03712.07
5.4.120.0070.03512.04
5.4.110.0080.03512.03
5.4.100.0070.03312.03
5.4.90.0050.03912.03
5.4.80.0070.03612.03
5.4.70.0050.04212.03
5.4.60.0040.03812.03
5.4.50.0070.03512.03
5.4.40.0050.03512.02
5.4.30.0070.03512.01
5.4.20.0120.04512.01
5.4.10.0080.03412.01
5.4.00.0060.03711.50
5.3.290.0030.04412.80
5.3.280.0110.03412.71
5.3.270.0050.04212.73
5.3.260.0070.03812.72
5.3.250.0060.03712.72
5.3.240.0070.03612.72
5.3.230.0060.03812.70
5.3.220.0090.03412.68
5.3.210.0080.03712.68
5.3.200.0040.03712.68
5.3.190.0050.03812.68
5.3.180.0060.03712.68
5.3.170.0090.03512.67
5.3.160.0070.03612.67
5.3.150.0040.04412.67
5.3.140.0060.03712.66
5.3.130.0060.04012.66
5.3.120.0110.03412.65
5.3.110.0050.04012.66
5.3.100.0060.03712.13
5.3.90.0030.04012.11
5.3.80.0060.03812.09
5.3.70.0060.03712.09
5.3.60.0050.03812.08
5.3.50.0090.03312.02
5.3.40.0080.03512.02
5.3.30.0050.03611.98
5.3.20.0060.03811.76
5.3.10.0060.03511.73
5.3.00.0060.03611.71
5.2.170.0030.0329.22
5.2.160.0040.0309.21
5.2.150.0020.0339.22
5.2.140.0060.0329.21
5.2.130.0040.0309.17
5.2.120.0040.0349.18
5.2.110.0020.0339.18
5.2.100.0030.0309.18
5.2.90.0080.0299.18
5.2.80.0050.0319.18
5.2.70.0080.0289.18
5.2.60.0090.0289.13
5.2.50.0090.0279.09
5.2.40.0080.0299.07
5.2.30.0050.0309.04
5.2.20.0090.0259.04
5.2.10.0070.0308.95
5.2.00.0040.0308.81
5.1.60.0050.0258.09
5.1.50.0050.0348.08
5.1.40.0050.0248.06
5.1.30.0050.0278.43
5.1.20.0040.0288.44
5.1.10.0060.0248.16
5.1.00.0040.0268.16
5.0.50.0040.0206.64
5.0.40.0030.0206.50
5.0.30.0040.0326.31
5.0.20.0030.0226.29
5.0.10.0050.0196.26
5.0.00.0070.0376.25
4.4.90.0050.0204.78
4.4.80.0020.0244.75
4.4.70.0030.0204.76
4.4.60.0020.0174.75
4.4.50.0030.0164.77
4.4.40.0030.0254.71
4.4.30.0050.0164.76
4.4.20.0050.0204.85
4.4.10.0030.0234.85
4.4.00.0020.0304.76
4.3.110.0030.0154.67
4.3.100.0000.0184.67
4.3.90.0030.0194.64
4.3.80.0050.0234.58
4.3.70.0030.0144.63
4.3.60.0010.0164.63
4.3.50.0020.0174.63
4.3.40.0010.0264.54
4.3.30.0010.0173.30
4.3.20.0040.0143.28
4.3.10.0040.0143.24
4.3.00.0000.01715.90

preferences:
139.47 ms | 1394 KiB | 7 Q