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)
5.4.340.0070.03512.02
5.4.320.0060.03512.50
5.4.310.0080.03712.50
5.4.300.0060.03612.50
5.4.290.0050.04012.50
5.4.280.0070.04612.39
5.4.270.0070.03512.39
5.4.260.0050.04612.39
5.4.250.0070.03712.39
5.4.240.0070.03512.39
5.4.230.0070.03712.39
5.4.220.0040.03812.38
5.4.210.0110.03612.39
5.4.200.0050.04312.38
5.4.190.0030.04012.38
5.4.180.0060.04012.38
5.4.170.0080.04512.39
5.4.160.0060.04012.39
5.4.150.0070.04312.38
5.4.140.0050.04012.07
5.4.130.0090.03412.05
5.4.120.0030.03712.02
5.4.110.0070.03812.02
5.4.100.0040.03812.02
5.4.90.0090.04312.01
5.4.80.0050.04012.01
5.4.70.0070.03612.01
5.4.60.0100.03512.00
5.4.50.0090.03312.01
5.4.40.0070.03612.00
5.4.30.0070.03611.99
5.4.20.0070.03511.98
5.4.10.0080.03411.99
5.4.00.0050.03911.48
5.3.290.0060.04112.80
5.3.280.0110.03912.71
5.3.270.0080.05312.73
5.3.260.0060.03912.72
5.3.250.0040.04012.72
5.3.240.0170.05212.72
5.3.230.0050.04212.71
5.3.220.0070.03712.68
5.3.210.0040.04412.68
5.3.200.0120.04312.68
5.3.190.0020.05012.68
5.3.180.0050.03812.67
5.3.170.0050.03812.67
5.3.160.0090.03512.68
5.3.150.0070.03812.68
5.3.140.0050.04112.66
5.3.130.0070.04112.66
5.3.120.0050.04312.66
5.3.110.0090.04212.66
5.3.100.0070.03812.12
5.3.90.0090.03812.08
5.3.80.0060.03712.07
5.3.70.0080.03712.08
5.3.60.0080.03612.06
5.3.50.0080.03612.00
5.3.40.0060.04212.00
5.3.30.0040.03911.95
5.3.20.0080.03611.73
5.3.10.0050.03711.70
5.3.00.0070.03611.68
5.2.170.0070.0289.18
5.2.160.0050.0319.18
5.2.150.0090.0319.18
5.2.140.0070.0439.18
5.2.130.0140.0359.14
5.2.120.0100.0319.14
5.2.110.0060.0339.15
5.2.100.0070.0319.14
5.2.90.0040.0349.15
5.2.80.0050.0379.14
5.2.70.0080.0379.14
5.2.60.0080.0339.10
5.2.50.0070.0349.06
5.2.40.0050.0379.04
5.2.30.0050.0349.02
5.2.20.0070.0339.01
5.2.10.0070.0338.92
5.2.00.0050.0348.79
5.1.60.0080.0268.07
5.1.50.0140.0608.07
5.1.40.0030.0308.05
5.1.30.0060.0298.39
5.1.20.0050.0338.42
5.1.10.0040.0298.15
5.1.00.0090.0338.14
5.0.50.0070.0276.63
5.0.40.0060.0276.49
5.0.30.0060.0386.30
5.0.20.0080.0236.27
5.0.10.0030.0276.24
5.0.00.0030.0416.23
4.4.90.0030.0214.78
4.4.80.0030.0184.75
4.4.70.0040.0204.75
4.4.60.0050.0234.75
4.4.50.0010.0204.77
4.4.40.0040.0274.71
4.4.30.0040.0204.76
4.4.20.0040.0204.85
4.4.10.0070.0204.85
4.4.00.0030.0294.76
4.3.110.0030.0154.67
4.3.100.0040.0154.67
4.3.90.0030.0154.64
4.3.80.0030.0254.59
4.3.70.0030.0144.63
4.3.60.0010.0174.63
4.3.50.0010.0184.62
4.3.40.0050.0244.54
4.3.30.0000.0193.29
4.3.20.0010.0163.27
4.3.10.0020.0163.22
4.3.00.0130.0237.25

preferences:
147.46 ms | 1386 KiB | 7 Q