3v4l.org

run code in 300+ PHP versions simultaneously
<?php $js='{ "code": 1, "page": { "totalpage": 20, "count":10, "curr":1, "totalcount": 180 }, "data": [{ "id":3, "name":"jennifer" "age": 23, "sex": "female" },{ "id":5, "name":"lenbo" "age": 21, "sex": "male" }] }'; $arr=[['name'=>[3,'age'=>4],2],[3,'age'=>4]]; echo json_encode($arr); $test1 = 123; $test2 = 123; function get_variable_name(&$var, $scope = NULL) { if (NULL == $scope) { $scope = $GLOBALS; } $tmp = $var; echo $var = "tmp_exists_" . mt_rand(); $name = array_search($var, $scope, TRUE); $var = $tmp; return $name; } echo get_variable_name($test1)."\n"; echo get_variable_name($test2);//var_dump($GLOBALS);

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)
7.4.00.0040.01115.11
7.3.120.0060.01215.10
7.3.110.0070.01014.93
7.3.100.0070.01014.86
7.3.90.0040.01214.81
7.3.80.0060.00314.77
7.3.70.0040.01414.72
7.3.60.0030.01014.79
7.3.50.0000.01514.72
7.3.40.0000.01414.92
7.3.30.0050.00514.76
7.3.20.0100.00616.66
7.3.10.0000.01416.57
7.3.00.0000.01516.73
7.2.250.0000.01414.82
7.2.240.0070.01015.04
7.2.230.0000.01515.37
7.2.220.0100.00715.03
7.2.210.0060.00615.05
7.2.200.0030.00714.86
7.2.190.0080.00515.09
7.2.180.0030.01314.80
7.2.170.0000.01715.16
7.2.00.0140.00519.66
7.1.330.0030.01316.02
7.1.320.0110.00415.83
7.1.310.0060.00315.89
7.1.300.0060.00315.88
7.1.290.0080.00515.67
7.1.280.0090.00615.91
7.1.270.0030.00915.96
7.1.260.0040.00815.91
7.1.70.0030.01017.24
7.1.60.0040.01919.22
7.1.50.0130.01016.95
7.1.00.0100.07022.54
7.0.200.0000.00916.67
7.0.140.0000.07721.98
7.0.90.0170.04019.92
7.0.80.0230.04019.98
7.0.70.0230.04319.95
7.0.60.0300.03719.90
7.0.50.0300.04020.25
7.0.40.0030.04020.13
7.0.30.0000.05020.02
7.0.20.0070.07720.08
7.0.10.0070.08320.16
7.0.00.0000.08320.12
5.6.280.0000.07021.07
5.6.240.0070.04020.58
5.6.230.0030.05720.63
5.6.220.0170.02720.49
5.6.210.0000.04020.56
5.6.200.0000.04721.05
5.6.190.0000.04721.02
5.6.180.0000.07021.08
5.6.170.0130.08321.02
5.6.160.0100.08321.09
5.6.150.0100.08321.04
5.6.140.0170.07021.10
5.6.130.0100.04021.03
5.6.120.0070.08721.08
5.6.110.0070.08721.04
5.6.100.0170.07021.01
5.6.90.0130.05321.09
5.6.80.0170.07020.56
5.6.70.0130.07320.40
5.6.60.0030.08020.40
5.6.50.0170.05720.32
5.6.40.0100.07720.36
5.6.30.0100.07320.40
5.6.20.0070.07320.31
5.6.10.0170.06020.38
5.6.00.0100.06320.33
5.5.380.0070.06720.36
5.5.370.0030.04020.39
5.5.360.0030.04020.41
5.5.350.0170.02320.46
5.5.340.0070.03720.88
5.5.330.0030.06720.65
5.5.320.0070.03720.93
5.5.310.0100.04720.86
5.5.300.0100.06720.89
5.5.290.0030.05320.78
5.5.280.0130.04020.73
5.5.270.0070.08720.89
5.5.260.0070.04720.80
5.5.250.0100.06320.72
5.5.240.0100.06020.21
5.5.230.0030.04320.30
5.5.220.0070.07720.30
5.5.210.0070.07020.17
5.5.200.0170.07020.28
5.5.190.0070.07320.10
5.5.180.0130.08020.25
5.5.160.0000.04720.22
5.5.150.0030.08720.22
5.5.140.0000.08020.27
5.5.130.0000.05320.13
5.5.120.0100.04320.18
5.5.110.0030.08020.16
5.5.100.0030.04720.17
5.5.90.0100.07320.16
5.5.80.0100.08020.16
5.5.70.0100.03719.95
5.5.60.0170.07020.09
5.5.50.0000.08020.09
5.5.40.0200.06720.08
5.5.30.0100.07320.06
5.5.20.0070.05720.15
5.5.10.0100.03720.06
5.5.00.0030.04719.95
5.4.450.0070.04719.56
5.4.440.0030.06319.53
5.4.430.0130.07019.44
5.4.420.0100.07719.55
5.4.410.0130.07019.36
5.4.400.0100.06319.23
5.4.390.0100.04719.18
5.4.380.0070.07019.18
5.4.370.0070.05319.16
5.4.360.0100.07319.13
5.4.350.0030.06718.88
5.4.340.0070.08019.12
5.4.320.0030.04318.95
5.4.310.0070.04319.18
5.4.300.0030.05019.03
5.4.290.0100.07319.09
5.4.280.0100.04719.12
5.4.270.0030.04019.21
5.4.260.0030.08019.03
5.4.250.0100.05719.15
5.4.240.0000.04319.16
5.4.230.0130.06718.94
5.4.220.0130.04319.08
5.4.210.0070.07719.03
5.4.200.0200.06318.90
5.4.190.0030.05319.04
5.4.180.0100.04019.13
5.4.170.0070.07319.02
5.4.160.0030.05319.01
5.4.150.0000.04718.83
5.4.140.0070.04716.14
5.4.130.0100.07016.39
5.4.120.0130.07016.41
5.4.110.0030.04016.31
5.4.100.0030.05316.44
5.4.90.0030.07716.42
5.4.80.0130.06716.33
5.4.70.0030.08316.38
5.4.60.0030.07316.54
5.4.50.0000.05016.33
5.4.40.0070.04316.49
5.4.30.0130.03316.47
5.4.20.0000.05316.48
5.4.10.0070.07716.31
5.4.00.0130.06715.86
5.3.290.0070.08314.63
5.3.280.0070.06314.61
5.3.270.0170.02714.59
5.3.260.0030.05714.54
5.3.250.0100.07314.46
5.3.240.0030.08314.52
5.3.230.0100.07714.44
5.3.220.0030.04314.39
5.3.210.0070.08014.52
5.3.200.0070.08014.57
5.3.190.0200.06014.51
5.3.180.0100.06014.52
5.3.170.0070.07314.52
5.3.160.0170.07714.57
5.3.150.0100.07314.42
5.3.140.0070.07314.52
5.3.130.0100.07314.53
5.3.120.0000.08314.54
5.3.110.0070.05714.49
5.3.100.0030.04013.97
5.3.90.0030.06014.01
5.3.80.0070.06314.01
5.3.70.0100.06313.93
5.3.60.0100.07313.77
5.3.50.0030.04713.94
5.3.40.0070.07313.89
5.3.30.0000.04013.86
5.3.20.0030.07313.54
5.3.10.0100.07313.67
5.3.00.0030.06313.50
5.2.170.0070.06011.13
5.2.160.0030.03711.20
5.2.150.0100.03310.98
5.2.140.0030.03011.00
5.2.130.0030.04311.14
5.2.120.0070.05311.12
5.2.110.0030.06311.11
5.2.100.0000.04711.12
5.2.90.0030.03711.06
5.2.80.0070.05711.12
5.2.70.0030.04310.96
5.2.60.0100.05011.04
5.2.50.0030.04710.94
5.2.40.0170.05011.06
5.2.30.0000.04710.96
5.2.20.0070.04310.81
5.2.10.0030.05310.91
5.2.00.0000.06310.76
5.1.60.0100.0439.82
5.1.50.0000.0379.98
5.1.40.0000.0539.96
5.1.30.0030.05710.36
5.1.20.0030.04710.41
5.1.10.0100.04310.11
5.1.00.0070.05310.09
5.0.50.0030.0478.57
5.0.40.0030.0538.47
5.0.30.0070.0608.22
5.0.20.0030.0308.04
5.0.10.0070.0408.23
5.0.00.0100.0478.23
4.4.90.0030.0377.33
4.4.80.0070.0277.33
4.4.70.0030.0377.33
4.4.60.0000.0337.33
4.4.50.0030.0377.33
4.4.40.0000.0537.33
4.4.30.0070.0337.33
4.4.20.0000.0307.33
4.4.10.0030.0337.33
4.4.00.0000.0537.33
4.3.110.0030.0277.33
4.3.100.0030.0337.33
4.3.90.0000.0377.33
4.3.80.0070.0507.33
4.3.70.0100.0237.33
4.3.60.0030.0337.33
4.3.50.0030.0377.33
4.3.40.0030.0377.33
4.3.30.0000.0337.33
4.3.20.0070.0337.33
4.3.10.0030.0277.33
4.3.00.0000.0307.33

preferences:
34.04 ms | 400 KiB | 5 Q