3v4l.org

run code in 300+ PHP versions simultaneously
<?php // first time $a = array(array("attr_id" => "1", "rating" => "5"),array("attr_id" => "3", "rating" => "4")); $var = array("user_id" => 10 ,"preferences" => $a ); print($var) // output : //{"user_id":10,"preferences":[{"attr_id":1, "rating":5},{"attr_id":3, "rating":4}]} // second time $a = array(array("attr_id" => "4", "rating" => "5"),array("attr_id" => "6", "rating" => "4")); $var = array("user_id" => 12 ,"preferences" => $a ); print($var)

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)
5.4.350.0080.03712.02
5.4.340.0050.03812.01
5.4.320.0080.03712.50
5.4.310.0020.04212.49
5.4.300.0130.04512.49
5.4.290.0050.04312.49
5.4.280.0050.04012.39
5.4.270.0050.04812.39
5.4.260.0080.04812.39
5.4.250.0050.03912.39
5.4.240.0070.04212.39
5.4.230.0080.04212.38
5.4.220.0100.04012.38
5.4.210.0070.03812.38
5.4.200.0120.03712.38
5.4.190.0080.03712.38
5.4.180.0100.04012.38
5.4.170.0050.04812.39
5.4.160.0090.04412.38
5.4.150.0070.03412.38
5.4.140.0090.04712.07
5.4.130.0080.03712.05
5.4.120.0080.03412.02
5.4.110.0080.03312.01
5.4.100.0030.04712.01
5.4.90.0080.03512.01
5.4.80.0080.03712.01
5.4.70.0060.04012.01
5.4.60.0060.04012.01
5.4.50.0060.04212.01
5.4.40.0050.04412.00
5.4.30.0050.03911.99
5.4.20.0050.03811.98
5.4.10.0070.04411.99
5.4.00.0100.04111.48
5.3.290.0070.04912.80
5.3.280.0080.03512.71
5.3.270.0080.04212.73
5.3.260.0090.04112.72
5.3.250.0070.03912.72
5.3.240.0100.03712.72
5.3.230.0040.04312.70
5.3.220.0040.03912.68
5.3.210.0050.04212.68
5.3.200.0120.03712.68
5.3.190.0060.04312.68
5.3.180.0060.04112.67
5.3.170.0070.03712.66
5.3.160.0080.04312.67
5.3.150.0070.03912.67
5.3.140.0080.03812.66
5.3.130.0080.05012.66
5.3.120.0060.04512.65
5.3.110.0050.04712.66
5.3.100.0050.04112.12
5.3.90.0080.04112.08
5.3.80.0090.03812.08
5.3.70.0060.03912.07
5.3.60.0080.04412.06
5.3.50.0040.04212.00
5.3.40.0050.04312.00
5.3.30.0070.04011.95
5.3.20.0080.04211.73
5.3.10.0050.04211.70
5.3.00.0080.04011.69
5.2.170.0090.0319.19
5.2.160.0040.0349.18
5.2.150.0060.0409.19
5.2.140.0080.0359.18
5.2.130.0070.0369.14
5.2.120.0040.0319.14
5.2.110.0020.0329.14
5.2.100.0020.0349.14
5.2.90.0080.0269.14
5.2.80.0060.0309.14
5.2.70.0060.0329.14
5.2.60.0050.0399.10
5.2.50.0070.0319.06
5.2.40.0050.0339.04
5.2.30.0060.0299.02
5.2.20.0080.0389.00
5.2.10.0090.0338.93
5.2.00.0060.0308.78
5.1.60.0070.0238.07
5.1.50.0060.0258.07
5.1.40.0030.0278.05
5.1.30.0050.0288.40
5.1.20.0080.0328.42
5.1.10.0070.0308.14
5.1.00.0090.0338.15
5.0.50.0030.0226.63
5.0.40.0030.0226.48
5.0.30.0060.0386.29
5.0.20.0080.0236.26
5.0.10.0020.0236.25
5.0.00.0040.0366.24
4.4.90.0050.0214.78
4.4.80.0040.0184.75
4.4.70.0060.0174.75
4.4.60.0030.0164.75
4.4.50.0040.0144.77
4.4.40.0040.0254.71
4.4.30.0040.0164.75
4.4.20.0040.0214.85
4.4.10.0020.0164.84
4.4.00.0020.0274.76
4.3.110.0040.0164.67
4.3.100.0020.0234.66
4.3.90.0030.0184.63
4.3.80.0060.0244.59
4.3.70.0040.0174.63
4.3.60.0020.0154.63
4.3.50.0030.0194.63
4.3.40.0030.0254.53
4.3.30.0020.0163.28
4.3.20.0020.0203.26
4.3.10.0030.0183.23
4.3.00.0000.0236.63

preferences:
144.81 ms | 1394 KiB | 7 Q