3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a= array('mela','mela' ,'pera','arancia','mela','mela','arancia'); $b= array_diff_key( $a , array_unique( $a ) ); foreach ($b as $c) { $row[]=$c; print_r($row[]); }

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)
5.4.320.0020.04012.47
5.4.310.0070.03912.46
5.4.300.0040.03912.46
5.4.290.0070.04012.46
5.4.280.0040.04612.36
5.4.270.0080.03412.37
5.4.260.0050.03812.36
5.4.250.0090.03312.36
5.4.240.0070.03512.36
5.4.230.0060.04012.35
5.4.220.0040.03612.36
5.4.210.0060.03812.36
5.4.200.0040.04312.35
5.4.190.0080.03512.35
5.4.180.0030.03712.35
5.4.170.0060.03512.36
5.4.160.0060.03612.36
5.4.150.0060.03712.35
5.4.140.0050.03612.04
5.4.130.0080.03212.03
5.4.120.0060.03811.99
5.4.110.0050.03411.98
5.4.100.0080.03111.98
5.4.90.0070.03911.98
5.4.80.0070.03611.98
5.4.70.0080.03111.98
5.4.60.0070.03411.98
5.4.50.0070.03511.98
5.4.40.0050.03511.96
5.4.30.0050.03511.96
5.4.20.0070.03711.96
5.4.10.0080.04011.96
5.4.00.0080.03311.46
5.3.290.0050.04812.80
5.3.280.0030.04012.71
5.3.270.0070.04312.73
5.3.260.0080.03812.72
5.3.250.0080.03512.72
5.3.240.0090.04212.71
5.3.230.0100.03812.71
5.3.220.0040.03812.68
5.3.210.0050.03812.68
5.3.200.0070.03912.68
5.3.190.0080.04012.68
5.3.180.0070.03512.68
5.3.170.0050.03712.67
5.3.160.0070.03812.68
5.3.150.0070.03512.67
5.3.140.0040.03712.66
5.3.130.0080.03912.66
5.3.120.0080.03612.66
5.3.110.0040.04112.66
5.3.100.0080.03312.11
5.3.90.0050.03612.08
5.3.80.0070.04012.08
5.3.70.0080.03412.08
5.3.60.0050.03712.06
5.3.50.0080.03512.00
5.3.40.0070.03812.00
5.3.30.0090.03211.94
5.3.20.0000.04011.73
5.3.10.0050.03411.70
5.3.00.0060.03811.68
5.2.170.0060.0319.18
5.2.160.0060.0279.18
5.2.150.0020.0349.18
5.2.140.0050.0299.18
5.2.130.0040.0299.14
5.2.120.0080.0249.14
5.2.110.0050.0289.14
5.2.100.0080.0259.14
5.2.90.0070.0279.14
5.2.80.0020.0329.14
5.2.70.0070.0399.14
5.2.60.0000.0349.09
5.2.50.0060.0329.06
5.2.40.0080.0289.04
5.2.30.0030.0349.01
5.2.20.0040.0399.00
5.2.10.0040.0298.92
5.2.00.0070.0298.78
5.1.60.0060.0278.07
5.1.50.0030.0268.07
5.1.40.0030.0248.05
5.1.30.0020.0278.40
5.1.20.0020.0298.42
5.1.10.0070.0268.14
5.1.00.0050.0238.15
5.0.50.0010.0236.62
5.0.40.0040.0226.48
5.0.30.0060.0286.29
5.0.20.0040.0216.27
5.0.10.0060.0246.24
5.0.00.0050.0316.23
4.4.90.0050.0144.78
4.4.80.0050.0154.76
4.4.70.0020.0174.75
4.4.60.0050.0164.75
4.4.50.0030.0144.77
4.4.40.0040.0234.71
4.4.30.0030.0144.76
4.4.20.0030.0144.84
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0010.0174.67
4.3.100.0010.0164.66
4.3.90.0010.0154.64
4.3.80.0030.0234.58
4.3.70.0020.0144.63
4.3.60.0020.0154.62
4.3.50.0050.0134.62
4.3.40.0060.0204.54
4.3.30.0020.0173.28
4.3.20.0020.0273.26
4.3.10.0020.0153.22
4.3.00.0200.0237.13

preferences:
143.28 ms | 1394 KiB | 7 Q