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; } var_dump(get_defined_vars()); $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)
7.4.60.0070.01116.41
7.4.50.0080.01316.39
7.4.40.0170.01016.30
7.4.30.0130.00916.27
7.4.20.0060.01216.41
7.4.10.0140.00616.34
7.4.00.0100.01016.61
7.3.180.0070.01316.61
7.3.170.0130.01316.61
7.3.160.0150.00616.47
7.3.150.0100.01016.54
7.3.140.0160.00316.43
7.3.130.0090.00916.52
7.3.120.0140.01116.41
7.3.110.0170.00316.22
7.3.100.0100.01316.52
7.3.90.0150.01516.55
7.3.80.0110.01416.32
7.3.70.0140.00716.31
7.3.60.0110.01516.34
7.3.50.0150.01516.31
7.3.40.0130.00916.35
7.3.30.0110.01116.19
7.3.20.0270.00016.60
7.3.10.0210.00716.34
7.3.00.0120.00716.48
7.2.310.0110.00816.76
7.2.300.0030.01616.75
7.2.290.0160.00816.59
7.2.280.0150.00316.75
7.2.270.0070.01116.82
7.2.260.0090.01216.73
7.2.250.0200.00016.63
7.2.240.0160.00616.68
7.2.230.0130.00916.59
7.2.220.0190.01016.57
7.2.210.0190.00616.34
7.2.200.0210.00616.62
7.2.190.0100.01516.59
7.2.180.0170.00916.52
7.2.170.0080.01316.68
7.2.160.0060.01616.54
7.2.150.0150.01116.69
7.2.140.0190.00716.62
7.2.130.0060.01016.74
7.2.120.0090.01216.85
7.2.110.0140.00916.77
7.2.100.0100.01016.88
7.2.90.0180.00516.70
7.2.80.0080.01116.72
7.2.70.0090.01016.82
7.2.60.0050.01216.78
7.2.50.0070.01116.70
7.2.40.0080.01116.66
7.2.30.0130.00416.77
7.2.20.0100.00816.83
7.2.10.0110.01016.74
7.2.00.0080.01217.58
7.1.330.0100.01015.31
7.1.320.0140.01015.34
7.1.310.0140.00915.59
7.1.300.0250.00015.41
7.1.290.0070.01515.42
7.1.280.0130.01115.46
7.1.270.0110.01415.41
7.1.260.0160.00615.44
7.1.250.0110.00615.64
7.1.240.0150.00315.42
7.1.230.0120.00715.60
7.1.220.0120.00615.45
7.1.210.0120.01015.52
7.1.200.0070.01215.59
7.1.190.0080.01015.50
7.1.180.0060.00815.49
7.1.170.0100.01515.55
7.1.160.0080.01015.45
7.1.150.0110.01015.51
7.1.140.0120.00615.63
7.1.130.0130.00915.55
7.1.120.0150.00515.34
7.1.110.0100.00915.54
7.1.100.0080.01015.53
7.1.90.0100.00615.55
7.1.80.0080.00715.59
7.1.70.0070.00716.00
7.1.60.0150.00717.02
7.1.50.0120.00516.06
7.1.40.0080.00815.64
7.1.30.0080.01015.63
7.1.20.0100.01015.52
7.1.10.0080.00815.48
7.1.00.0080.02917.94
7.0.330.0090.01315.26
7.0.320.0110.00815.33
7.0.310.0120.00615.22
7.0.300.0060.01215.19
7.0.290.0120.00715.20
7.0.280.0080.01215.11
7.0.270.0120.00615.30
7.0.260.0100.01215.31
7.0.250.0070.00815.23
7.0.240.0090.00615.27
7.0.230.0100.00715.37
7.0.220.0130.00415.18
7.0.210.0070.00915.24
7.0.200.0060.00815.71
7.0.190.0100.00615.27
7.0.180.0090.00515.30
7.0.170.0090.00615.34
7.0.160.0120.00915.24
7.0.150.0110.00815.23
7.0.140.0100.02817.54
7.0.130.0080.00815.20
7.0.120.0110.00615.35
7.0.110.0080.00815.31
7.0.100.0080.00815.42
7.0.90.0220.03616.84
7.0.80.0170.03016.84
7.0.70.0260.01416.71
7.0.60.0130.01416.85
7.0.50.0080.02216.90
7.0.40.0070.02216.27
7.0.30.0080.01816.17
7.0.20.0080.02316.20
7.0.10.0100.01616.26
7.0.00.0100.01916.20
5.6.400.0160.00816.19
5.6.390.0180.00615.81
5.6.380.0110.01115.32
5.6.370.0090.00715.12
5.6.360.0090.01015.04
5.6.350.0060.01015.19
5.6.340.0090.01215.13
5.6.330.0070.01014.92
5.6.320.0090.00714.92
5.6.310.0100.00614.74
5.6.300.0120.00715.02
5.6.290.0080.01015.17
5.6.280.0090.03016.99
5.6.270.0020.01615.26
5.6.260.0100.00615.25
5.6.250.0080.01014.89
5.6.240.0150.02116.84
5.6.230.0090.02416.85
5.6.220.0030.02417.02
5.6.210.0050.02317.01
5.6.200.0130.02917.02
5.6.190.0020.02417.19
5.6.180.0080.02016.98
5.6.170.0110.02416.92
5.6.160.0070.01917.04
5.6.150.0080.01817.03
5.6.140.0050.02017.04
5.6.130.0080.02117.00
5.6.120.0080.01917.03
5.6.110.0060.01817.02
5.6.100.0070.03317.05
5.6.90.0030.02317.01
5.6.80.0110.01616.69
5.6.70.0090.03216.71
5.6.60.0150.02516.74
5.6.50.0130.02916.72
5.6.40.0070.02116.75
5.6.30.0060.03516.80
5.6.20.0120.02916.71
5.6.10.0100.03016.71
5.6.00.0060.01916.68
5.5.380.0070.02215.85
5.5.370.0090.03215.87
5.5.360.0070.01915.87
5.5.350.0020.02415.79
5.5.340.0100.01415.99
5.5.330.0020.02715.97
5.5.320.0030.02115.98
5.5.310.0090.02115.93
5.5.300.0030.03015.87
5.5.290.0050.02315.96
5.5.280.0070.01916.03
5.5.270.0060.02216.00
5.5.260.0070.02115.90
5.5.250.0120.01815.78
5.5.240.0110.02315.77
5.5.230.0090.01915.71
5.5.220.0100.03215.73
5.5.210.0070.02915.62
5.5.200.0080.02115.71
5.5.190.0110.03015.72
5.5.180.0090.03115.61
5.5.170.0030.01013.35
5.5.160.0090.02715.79
5.5.150.0110.03015.69
5.5.140.0080.03315.63
5.5.130.0080.03215.61
5.5.120.0080.02915.66
5.5.110.0080.02015.78
5.5.100.0180.03515.56
5.5.90.0070.02315.75
5.5.80.0050.03415.59
5.5.70.0100.02915.69
5.5.60.0080.02715.58
5.5.50.0060.03215.70
5.5.40.0110.03615.60
5.5.30.0120.02915.63
5.5.20.0100.03215.63
5.5.10.0090.02015.48
5.5.00.0080.03015.55
5.4.450.0060.01714.37
5.4.440.0070.01614.50
5.4.430.0050.01914.33
5.4.420.0040.02014.29
5.4.410.0030.02014.25
5.4.400.0060.02414.23
5.4.390.0090.02514.27
5.4.380.0090.02514.17
5.4.370.0120.02614.23
5.4.360.0050.03414.28
5.4.350.0130.01914.14
5.4.340.0070.02114.15
5.4.330.0070.00511.82
5.4.320.0050.02514.23
5.4.310.0030.02114.10
5.4.300.0080.02914.25
5.4.290.0050.03114.23
5.4.280.0050.02814.32
5.4.270.0080.02314.20
5.4.260.0090.03714.17
5.4.250.0060.03614.18
5.4.240.0080.03014.24
5.4.230.0130.03614.22
5.4.220.0030.02314.15
5.4.210.0090.02914.11
5.4.200.0090.02914.27
5.4.190.0040.03414.27
5.4.180.0060.03114.13
5.4.170.0070.03714.21
5.4.160.0080.02114.24
5.4.150.0040.02514.27
5.4.140.0080.02913.42
5.4.130.0100.02413.38
5.4.120.0050.03013.33
5.4.110.0090.01713.37
5.4.100.0040.03313.36
5.4.90.0100.02613.33
5.4.80.0090.02413.45
5.4.70.0060.03113.31
5.4.60.0100.02613.36
5.4.50.0080.02013.38
5.4.40.0090.03013.35
5.4.30.0070.02413.27
5.4.20.0060.03013.40
5.4.10.0100.02213.29
5.4.00.0060.03113.20
5.3.290.0040.01912.81
5.3.280.0070.03112.65
5.3.270.0040.02812.75
5.3.260.0060.02712.75
5.3.250.0090.02512.74
5.3.240.0050.03012.66
5.3.230.0030.02312.66
5.3.220.0110.02612.69
5.3.210.0040.03112.68
5.3.200.0050.03112.73
5.3.190.0080.02712.75
5.3.180.0140.03012.73
5.3.170.0040.02512.78
5.3.160.0050.02912.72
5.3.150.0060.02712.79
5.3.140.0030.02712.79
5.3.130.0030.03212.74
5.3.120.0040.03012.66
5.3.110.0040.03212.75
5.3.100.0040.02912.49
5.3.90.0040.02012.60
5.3.80.0030.03012.45
5.3.70.0060.02812.54
5.3.60.0030.03112.51
5.3.50.0050.02612.48
5.3.40.0070.03212.46
5.3.30.0070.02712.48
5.3.20.0010.03112.41
5.3.10.0040.02512.34
5.3.00.0080.01912.34
5.2.170.0040.01311.32
5.2.160.0050.01311.22
5.2.150.0030.01811.22
5.2.140.0050.02411.18
5.2.130.0030.01911.29
5.2.120.0040.02611.22
5.2.110.0040.01811.21
5.2.100.0030.01811.23
5.2.90.0030.01811.26
5.2.80.0040.01711.20
5.2.70.0070.02411.24
5.2.60.0060.01911.13
5.2.50.0050.02311.19
5.2.40.0020.01811.18
5.2.30.0040.01611.14
5.2.20.0020.02611.13
5.2.10.0030.02211.12
5.2.00.0040.01810.95
5.1.60.0030.01910.55
5.1.50.0080.01210.54
5.1.40.0050.02210.66
5.1.30.0050.01610.80
5.1.20.0010.02210.71
5.1.10.0040.02610.58
5.1.00.0070.02110.54
5.0.50.0040.0149.89
5.0.40.0000.0179.86
5.0.30.0030.0239.77
5.0.20.0080.0159.79
5.0.10.0040.0169.78
5.0.00.0060.0239.78
4.4.90.0030.0129.42
4.4.80.0030.0129.42
4.4.70.0020.0109.42
4.4.60.0030.0109.42
4.4.50.0040.0089.42
4.4.40.0010.0209.42
4.4.30.0040.0069.42
4.4.20.0050.0129.42
4.4.10.0010.0159.42
4.4.00.0020.0189.42
4.3.110.0030.0159.42
4.3.100.0030.0139.42
4.3.90.0060.0119.42
4.3.80.0020.0159.42
4.3.70.0030.0109.42
4.3.60.0040.0099.42
4.3.50.0000.0169.42
4.3.40.0040.0139.42
4.3.30.0010.0169.42
4.3.20.0020.0149.42
4.3.10.0030.0119.42
4.3.00.0030.0099.42

preferences:
30.75 ms | 401 KiB | 5 Q