3v4l.org

run code in 300+ PHP versions simultaneously
<?php function hash($item) { if (is_object($item)) { return spl_object_hash($item); } elseif (is_numeric($item) || is_bool($item)) { return "s_" . intval($item); } elseif (is_scalar($item)) { return "s_$item"; } elseif (is_resource($item)) { return "r_$item"; } elseif (is_array($item)) { return 'a_' . md5(serialize($item)); } return '0'; } var_dump(hash(1)); var_dump(hash(1.0)); var_dump(hash("1")); var_dump(hash("1.0")); var_dump(hash(true)); var_dump(hash(0)); var_dump(hash(0.0)); var_dump(hash("0")); var_dump(hash("0.0")); var_dump(hash(false));

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)
5.4.350.0050.04012.03
5.4.340.0050.04112.03
5.4.320.0120.05212.52
5.4.310.0120.04312.51
5.4.300.0070.03912.52
5.4.290.0090.04012.51
5.4.280.0080.04312.41
5.4.270.0090.03612.40
5.4.260.0070.04112.40
5.4.250.0100.04112.40
5.4.240.0070.04412.41
5.4.230.0100.04112.40
5.4.220.0080.04412.39
5.4.210.0080.03512.39
5.4.200.0060.04012.39
5.4.190.0070.04312.39
5.4.180.0060.04612.39
5.4.170.0040.04012.40
5.4.160.0060.03812.40
5.4.150.0110.03912.40
5.4.140.0030.04812.08
5.4.130.0080.03512.07
5.4.120.0070.03912.02
5.4.110.0060.03912.02
5.4.100.0060.04512.02
5.4.90.0090.03712.02
5.4.80.0090.03712.02
5.4.70.0070.04012.02
5.4.60.0060.03712.02
5.4.50.0090.04012.02
5.4.40.0040.04012.01
5.4.30.0110.04712.00
5.4.20.0050.04212.00
5.4.10.0100.03112.00
5.4.00.0030.03811.50
5.3.290.0070.04512.80
5.3.280.0070.04012.71
5.3.270.0060.04012.72
5.3.260.0060.04112.72
5.3.250.0050.04012.72
5.3.240.0060.04012.72
5.3.230.0080.04112.71
5.3.220.0080.04412.68
5.3.210.0050.04212.68
5.3.200.0100.04012.68
5.3.190.0110.03612.68
5.3.180.0100.03912.67
5.3.170.0050.04112.67
5.3.160.0060.03712.67
5.3.150.0040.04012.67
5.3.140.0130.03412.66
5.3.130.0100.04112.66
5.3.120.0070.03912.66
5.3.110.0080.04212.66
5.3.100.0090.03712.12
5.3.90.0070.03712.10
5.3.80.0080.03712.09
5.3.70.0070.04412.09
5.3.60.0070.04212.08
5.3.50.0040.04012.02
5.3.40.0060.04212.02
5.3.30.0050.03611.98
5.3.20.0040.04011.77
5.3.10.0080.03811.73
5.3.00.0060.04011.71
5.2.170.0050.0389.21
5.2.160.0050.0339.22
5.2.150.0060.0349.21
5.2.140.0070.0309.21
5.2.130.0070.0289.17
5.2.120.0040.0339.18
5.2.110.0040.0409.18
5.2.100.0080.0289.18
5.2.90.0050.0319.17
5.2.80.0040.0319.17
5.2.70.0100.0289.18
5.2.60.0030.0369.13
5.2.50.0060.0319.10
5.2.40.0040.0339.07
5.2.30.0040.0359.04
5.2.20.0090.0289.04
5.2.10.0070.0368.94
5.2.00.0110.0278.81
5.1.60.0060.0268.09
5.1.50.0060.0328.09
5.1.40.0050.0268.07
5.1.30.0040.0288.41
5.1.20.0060.0308.44
5.1.10.0040.0308.16
5.1.00.0050.0268.16
5.0.50.0040.0216.64
5.0.40.0040.0206.50
5.0.30.0040.0346.31
5.0.20.0060.0226.30
5.0.10.0070.0186.28
5.0.00.0040.0306.28
4.4.90.0020.0174.78
4.4.80.0020.0164.75
4.4.70.0050.0164.75
4.4.60.0060.0184.76
4.4.50.0000.0204.77
4.4.40.0020.0334.71
4.4.30.0020.0174.75
4.4.20.0020.0174.84
4.4.10.0030.0194.85
4.4.00.0040.0264.76
4.3.110.0030.0174.67
4.3.100.0030.0194.66
4.3.90.0050.0154.63
4.3.80.0030.0274.59
4.3.70.0040.0134.63
4.3.60.0020.0174.63
4.3.50.0060.0204.63
4.3.40.0040.0284.53
4.3.30.0030.0163.33
4.3.20.0010.0183.31
4.3.10.0020.0163.27
4.3.00.0100.01312.46

preferences:
146.42 ms | 1386 KiB | 7 Q