3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); for($i=0; $i<2; $i++) { $name = $a[$i]['name'] = 'name' . ($i+1); $age = $a[$i]['age'] = 'age' . ($i+1); echo "name is " . $name . " and age is " . $age . " ==> "; &$name = "bla"; echo "name is " . $a[$i]['name'] . " and age is " . $age . " "; }

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)
5.4.340.0070.03512.01
5.4.320.0050.03612.50
5.4.310.0060.03712.49
5.4.300.0060.03612.50
5.4.290.0080.03512.50
5.4.280.0110.03412.39
5.4.270.0070.04012.39
5.4.260.0050.04112.39
5.4.250.0060.04512.39
5.4.240.0050.03912.39
5.4.230.0060.03812.38
5.4.220.0030.04212.38
5.4.210.0080.03412.38
5.4.200.0050.04012.38
5.4.190.0070.03812.38
5.4.180.0060.03712.38
5.4.170.0040.03912.38
5.4.160.0030.04112.38
5.4.150.0070.03512.38
5.4.140.0070.03512.07
5.4.130.0090.03412.05
5.4.120.0060.04112.02
5.4.110.0120.03612.01
5.4.100.0130.05712.01
5.4.90.0070.04512.01
5.4.80.0050.03812.01
5.4.70.0100.03412.01
5.4.60.0080.03412.01
5.4.50.0070.03812.00
5.4.40.0120.03812.00
5.4.30.0140.04212.00
5.4.20.0050.03811.99
5.4.10.0050.03611.99
5.4.00.0100.03411.48
5.3.290.0120.04612.80
5.3.280.0050.04212.71
5.3.270.0100.05012.73
5.3.260.0040.04512.72
5.3.250.0080.05012.72
5.3.240.0090.04012.72
5.3.230.0070.04112.70
5.3.220.0090.03912.68
5.3.210.0080.03912.68
5.3.200.0050.03912.68
5.3.190.0080.03712.68
5.3.180.0040.03912.67
5.3.170.0100.03312.67
5.3.160.0050.04012.67
5.3.150.0040.04112.67
5.3.140.0090.04112.66
5.3.130.0110.03412.66
5.3.120.0070.03812.66
5.3.110.0050.04212.66
5.3.100.0070.03812.12
5.3.90.0040.03912.09
5.3.80.0070.04012.07
5.3.70.0050.03812.08
5.3.60.0050.03712.07
5.3.50.0080.03612.00
5.3.40.0090.04712.00
5.3.30.0070.03711.95
5.3.20.0060.03511.73
5.3.10.0040.03711.70
5.3.00.0060.03611.69
5.2.170.0090.0269.19
5.2.160.0010.0339.19
5.2.150.0080.0289.18
5.2.140.0060.0399.18
5.2.130.0030.0339.14
5.2.120.0030.0319.14
5.2.110.0020.0329.15
5.2.100.0070.0309.15
5.2.90.0070.0349.14
5.2.80.0050.0339.14
5.2.70.0060.0409.14
5.2.60.0030.0439.09
5.2.50.0040.0309.06
5.2.40.0060.0279.04
5.2.30.0060.0319.02
5.2.20.0070.0279.01
5.2.10.0050.0288.93
5.2.00.0050.0288.79
5.1.60.0040.0248.07
5.1.50.0060.0258.07
5.1.40.0030.0318.05
5.1.30.0040.0308.40
5.1.20.0040.0298.42
5.1.10.0060.0268.15
5.1.00.0060.0268.14
5.0.50.0040.0206.63
5.0.40.0050.0216.48
5.0.30.0060.0316.29
5.0.20.0020.0216.27
5.0.10.0030.0266.25
5.0.00.0030.0316.24
4.4.90.0030.0164.78
4.4.80.0020.0174.75
4.4.70.0060.0134.75
4.4.60.0020.0174.75
4.4.50.0020.0164.77
4.4.40.0030.0264.71
4.4.30.0050.0144.75
4.4.20.0020.0174.84
4.4.10.0020.0194.84
4.4.00.0060.0234.76
4.3.110.0030.0154.67
4.3.100.0030.0164.66
4.3.90.0060.0184.64
4.3.80.0050.0294.58
4.3.70.0020.0174.63
4.3.60.0020.0154.63
4.3.50.0030.0164.63
4.3.40.0030.0244.54
4.3.30.0030.0193.29
4.3.20.0020.0173.27
4.3.10.0020.0173.23
4.3.00.0030.0237.11

preferences:
137.46 ms | 1394 KiB | 7 Q