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)
7.4.60.0030.01616.39
7.4.50.0100.01016.30
7.4.40.0090.00916.13
7.4.30.0090.01216.20
7.4.20.0070.01416.36
7.4.10.0060.01215.75
7.4.00.0050.01415.64
7.3.180.0070.01116.41
7.3.170.0150.00416.42
7.3.160.0120.00616.32
7.3.150.0150.00416.27
7.3.140.0060.01216.43
7.3.130.0100.00815.87
7.3.120.0060.01115.52
7.3.110.0100.01115.49
7.3.100.0040.01215.78
7.3.90.0050.01215.69
7.3.80.0080.00915.74
7.3.70.0100.00815.48
7.3.60.0020.01415.66
7.3.50.0070.01115.65
7.3.40.0070.01015.56
7.3.30.0110.00615.66
7.3.20.0140.00316.66
7.3.10.0060.00916.55
7.3.00.0110.00916.62
7.2.310.0140.00616.58
7.2.300.0050.01616.53
7.2.290.0070.01716.75
7.2.280.0090.01516.62
7.2.270.0110.00716.64
7.2.260.0050.01515.86
7.2.250.0100.01015.83
7.2.240.0110.00915.98
7.2.230.0090.00815.80
7.2.220.0110.00615.85
7.2.210.0100.00715.84
7.2.200.0110.00315.93
7.2.190.0070.01115.62
7.2.180.0120.00815.96
7.2.170.0080.00815.76
7.2.160.0000.01615.90
7.2.150.0110.00516.82
7.2.140.0080.00916.81
7.2.130.0070.01116.87
7.2.120.0070.00716.80
7.2.110.0050.01116.75
7.2.100.0150.00616.87
7.2.90.0110.00716.81
7.2.80.0070.01316.84
7.2.70.0110.00916.92
7.2.60.0090.01116.76
7.2.50.0060.01016.91
7.2.40.0080.01016.86
7.2.30.0120.00416.96
7.2.20.0090.00716.89
7.2.10.0110.00816.69
7.2.00.0050.01117.83
7.1.330.0120.00315.67
7.1.320.0040.01015.69
7.1.310.0090.00815.47
7.1.300.0100.01115.69
7.1.290.0070.01015.57
7.1.280.0090.00515.58
7.1.270.0120.01015.51
7.1.260.0080.00815.73
7.1.250.0050.01315.69
7.1.240.0080.00815.56
7.1.230.0090.00315.54
7.1.220.0080.00815.39
7.1.210.0080.00915.53
7.1.200.0110.00815.36
7.1.190.0120.00315.56
7.1.180.0070.00915.70
7.1.170.0010.01215.60
7.1.160.0100.00815.66
7.1.150.0080.00815.63
7.1.140.0060.01315.60
7.1.130.0090.01215.57
7.1.120.0080.00915.71
7.1.110.0140.01115.54
7.1.100.0110.00915.57
7.1.90.0090.00715.62
7.1.80.0060.01115.56
7.1.70.0070.01016.07
7.1.60.0110.00716.80
7.1.50.0140.00621.95
7.1.40.0110.00515.48
7.1.30.0110.00415.68
7.1.20.0120.00515.62
7.1.10.0040.01215.60
7.1.00.0040.03318.05
7.0.330.0080.00815.28
7.0.320.0080.00815.32
7.0.310.0060.00815.29
7.0.300.0080.01115.29
7.0.290.0040.01215.12
7.0.280.0120.00315.27
7.0.270.0120.00315.30
7.0.260.0110.00715.25
7.0.250.0100.00715.17
7.0.240.0080.00915.22
7.0.230.0090.00815.20
7.0.220.0090.01115.53
7.0.210.0090.00915.20
7.0.200.0070.00715.92
7.0.190.0080.00815.32
7.0.180.0080.01015.29
7.0.170.0050.01315.24
7.0.160.0130.00715.30
7.0.150.0090.00715.20
7.0.140.0060.03117.44
7.0.130.0120.00715.39
7.0.120.0090.01115.42
7.0.110.0070.00915.15
7.0.100.0080.00915.09
7.0.90.0310.03216.73
7.0.80.0240.02516.79
7.0.70.0220.03516.82
7.0.60.0230.02816.90
7.0.50.0230.03017.02
7.0.40.0110.02716.13
7.0.30.0060.04016.29
7.0.20.0050.03816.27
7.0.10.0070.03716.29
7.0.00.0110.03216.32
5.6.400.0090.01015.02
5.6.390.0070.01015.17
5.6.380.0050.01214.96
5.6.370.0040.01215.04
5.6.360.0050.00915.20
5.6.350.0060.00715.21
5.6.340.0080.01014.97
5.6.330.0120.00615.10
5.6.320.0090.01114.98
5.6.310.0060.01014.95
5.6.300.0060.01115.24
5.6.290.0120.00715.05
5.6.280.0060.03217.09
5.6.270.0070.01315.11
5.6.260.0080.01015.08
5.6.250.0060.01415.13
5.6.240.0060.03517.02
5.6.230.0140.02816.88
5.6.220.0060.03016.94
5.6.210.0100.02416.88
5.6.200.0100.03217.11
5.6.190.0060.01817.13
5.6.180.0120.02817.01
5.6.170.0090.03217.01
5.6.160.0070.03317.06
5.6.150.0120.03017.03
5.6.140.0060.03417.06
5.6.130.0070.03117.01
5.6.120.0070.03416.97
5.6.110.0060.02417.04
5.6.100.0090.02017.14
5.6.90.0080.02117.05
5.6.80.0090.03316.83
5.6.70.0110.02716.88
5.6.60.0030.03816.98
5.6.50.0080.03016.81
5.6.40.0090.02316.87
5.6.30.0110.02616.67
5.6.20.0040.03516.73
5.6.10.0060.03716.84
5.6.00.0090.02816.71
5.5.380.0090.03316.83
5.5.370.0060.03316.92
5.5.360.0050.03516.86
5.5.350.0100.02916.80
5.5.340.0120.03116.92
5.5.330.0140.01417.09
5.5.320.0120.03016.96
5.5.310.0080.03416.92
5.5.300.0090.03117.01
5.5.290.0110.01717.03
5.5.280.0110.01517.13
5.5.270.0100.03217.04
5.5.260.0080.03717.05
5.5.250.0090.01816.85
5.5.240.0080.03516.84
5.5.230.0070.03416.79
5.5.220.0080.02916.81
5.5.210.0090.03116.76
5.5.200.0120.02116.79
5.5.190.0080.03116.83
5.5.180.0100.02616.73
5.5.170.0070.00915.14
5.5.160.0070.03416.61
5.5.150.0060.02216.66
5.5.140.0040.02816.75
5.5.130.0100.02916.74
5.5.120.0080.03216.77
5.5.110.0120.02916.62
5.5.100.0130.02816.51
5.5.90.0100.02916.60
5.5.80.0090.02816.72
5.5.70.0070.03316.62
5.5.60.0100.02816.66
5.5.50.0100.03116.65
5.5.40.0120.02916.65
5.5.30.0060.03016.59
5.5.20.0070.03416.68
5.5.10.0100.03016.68
5.5.00.0130.02916.63
5.4.450.0080.02814.56
5.4.440.0040.01914.55
5.4.430.0080.02714.54
5.4.420.0060.01714.52
5.4.410.0070.02714.49
5.4.400.0060.03114.49
5.4.390.0060.02614.49
5.4.380.0090.02514.43
5.4.370.0040.03314.45
5.4.360.0040.03214.44
5.4.350.0100.02614.45
5.4.340.0120.02514.39
5.4.330.0090.00412.22
5.4.320.0030.02814.43
5.4.310.0060.02714.36
5.4.300.0020.03714.33
5.4.290.0060.02914.49
5.4.280.0090.02714.41
5.4.270.0080.02614.46
5.4.260.0090.02514.44
5.4.250.0070.02814.36
5.4.240.0070.01614.47
5.4.230.0020.03314.36
5.4.220.0090.01714.49
5.4.210.0090.02714.38
5.4.200.0060.03214.42
5.4.190.0080.03014.40
5.4.180.0050.03314.45
5.4.170.0080.02714.38
5.4.160.0050.02814.39
5.4.150.0070.02614.47
5.4.140.0060.03013.48
5.4.130.0050.01713.59
5.4.120.0040.02913.48
5.4.110.0080.01913.47
5.4.100.0070.02713.55
5.4.90.0080.02413.56
5.4.80.0060.01613.60
5.4.70.0070.01713.51
5.4.60.0030.03413.58
5.4.50.0060.01813.54
5.4.40.0060.02013.59
5.4.30.0060.02513.57
5.4.20.0040.02613.54
5.4.10.0090.02813.57
5.4.00.0060.02913.37
5.3.290.0080.03013.00
5.3.280.0080.02912.93
5.3.270.0060.03013.01
5.3.260.0050.03112.92
5.3.250.0070.02512.90
5.3.240.0080.02612.93
5.3.230.0080.02512.89
5.3.220.0080.02812.96
5.3.210.0050.03312.92
5.3.200.0090.02912.90
5.3.190.0020.03212.94
5.3.180.0070.02713.00
5.3.170.0030.03012.99
5.3.160.0070.02612.96
5.3.150.0070.02612.93
5.3.140.0110.02112.96
5.3.130.0080.02412.97
5.3.120.0080.02512.96
5.3.110.0030.03112.89
5.3.100.0050.02512.72
5.3.90.0020.03412.82
5.3.80.0040.02912.78
5.3.70.0060.01812.77
5.3.60.0050.02612.83
5.3.50.0040.02712.66
5.3.40.0070.02812.64
5.3.30.0040.03012.66
5.3.20.0030.02912.57
5.3.10.0040.03012.55
5.3.00.0050.03012.58
5.2.170.0030.03611.43
5.2.160.0080.02611.42
5.2.150.0030.03911.47
5.2.140.0070.03311.35
5.2.130.0070.02011.45
5.2.120.0070.01911.37
5.2.110.0090.03511.39
5.2.100.0040.03611.43
5.2.90.0110.03111.35
5.2.80.0110.03411.36
5.2.70.0020.03311.39
5.2.60.0130.03011.25
5.2.50.0050.03311.25
5.2.40.0060.03711.42
5.2.30.0020.02511.23
5.2.20.0030.02311.15
5.2.10.0030.02811.25
5.2.00.0050.03110.96
5.1.60.0050.02010.44
5.1.50.0040.01810.27
5.1.40.0050.02610.43
5.1.30.0070.01610.70
5.1.20.0040.02210.62
5.1.10.0050.03010.44
5.1.00.0050.02510.33
5.0.50.0050.0239.37
5.0.40.0050.0249.27
5.0.30.0100.0309.27
5.0.20.0030.0219.27
5.0.10.0020.0289.27
5.0.00.0030.0379.27
4.4.90.0060.0189.27
4.4.80.0020.0209.27
4.4.70.0030.0149.27
4.4.60.0030.0189.27
4.4.50.0050.0179.27
4.4.40.0030.0189.27
4.4.30.0020.0179.27
4.4.20.0030.0169.27
4.4.10.0020.0139.27
4.4.00.0030.0259.27
4.3.110.0050.0189.27
4.3.100.0030.0189.27
4.3.90.0040.0199.27
4.3.80.0030.0239.27
4.3.70.0040.0129.27
4.3.60.0020.0209.27
4.3.50.0010.0209.27
4.3.40.0010.0239.27
4.3.30.0030.0139.27
4.3.20.0030.0199.27
4.3.10.0020.0209.27
4.3.00.0020.0179.27

preferences:
32.49 ms | 401 KiB | 5 Q