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; $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);

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)
7.4.10.0050.01215.59
7.4.00.0060.01115.56
7.3.130.0080.01115.45
7.3.120.0080.00815.38
7.3.110.0080.00815.28
7.3.100.0030.01215.25
7.3.90.0040.01015.36
7.3.80.0040.01015.44
7.3.70.0060.00815.33
7.3.60.0070.00815.39
7.3.50.0040.00815.37
7.3.40.0080.00815.46
7.3.30.0100.00415.48
7.3.20.0050.00917.28
7.3.10.0050.00817.12
7.3.00.0050.00817.09
7.2.260.0110.00615.85
7.2.250.0060.01215.62
7.2.240.0080.00915.71
7.2.230.0020.01315.64
7.2.220.0050.00915.76
7.2.210.0110.00515.52
7.2.200.0060.00915.53
7.2.190.0090.00715.65
7.2.180.0040.00815.44
7.2.170.0050.00915.62
7.2.160.0040.01115.75
7.2.150.0060.00717.81
7.2.140.0080.00517.71
7.2.130.0050.01117.42
7.2.120.0030.01017.45
7.2.110.0060.00617.48
7.2.100.0050.01017.30
7.2.90.0000.01317.40
7.2.80.0090.00617.44
7.2.70.0090.00417.52
7.2.60.0040.01017.36
7.2.50.0050.00717.51
7.2.40.0090.00617.54
7.2.30.0070.00717.32
7.2.20.0050.01117.45
7.2.10.0050.00817.39
7.2.00.0050.00917.38
7.1.330.0030.01216.15
7.1.320.0030.00916.44
7.1.310.0050.01116.18
7.1.300.0080.00816.26
7.1.290.0050.01016.16
7.1.280.0020.01316.35
7.1.270.0050.00916.23
7.1.260.0060.00616.24
7.1.250.0050.00816.15
7.1.240.0030.01116.44
7.1.230.0080.00716.47
7.1.220.0090.00516.38
7.1.210.0030.00816.39
7.1.200.0090.00716.38
7.1.190.0040.00916.54
7.1.180.0030.00616.52
7.1.170.0050.00916.46
7.1.160.0080.00716.59
7.1.150.0050.00916.53
7.1.140.0090.00616.54
7.1.130.0030.01016.54
7.1.120.0030.00916.32
7.1.110.0050.00716.56
7.1.100.0040.00916.64
7.1.90.0080.00616.41
7.1.80.0080.00816.51
7.1.70.0030.00916.76
7.1.60.0090.00617.45
7.1.50.0090.00522.58
7.1.40.0080.00716.66
7.1.30.0030.00916.56
7.1.20.0040.00916.46
7.1.10.0060.00716.63
7.1.00.0040.03018.43
7.0.330.0040.01116.13
7.0.320.0080.00516.14
7.0.310.0050.00716.13
7.0.300.0030.00816.11
7.0.290.0100.00516.26
7.0.280.0070.00716.30
7.0.270.0080.00216.27
7.0.260.0070.00116.22
7.0.250.0020.01116.29
7.0.240.0030.01016.20
7.0.230.0080.00716.15
7.0.220.0100.00316.29
7.0.210.0050.00716.26
7.0.200.0000.01016.35
7.0.190.0030.01016.24
7.0.180.0050.00816.29
7.0.170.0040.00616.22
7.0.160.0090.00516.22
7.0.150.0050.00716.14
7.0.140.0060.02818.14
7.0.130.0050.00816.30
7.0.120.0040.00716.12
7.0.110.0070.00416.27
7.0.100.0070.00316.15
7.0.90.0230.02817.54
7.0.80.0200.01917.31
7.0.70.0230.03217.52
7.0.60.0200.01917.48
7.0.50.0240.03217.55
7.0.40.0050.02416.14
7.0.30.0060.03516.08
7.0.20.0080.03516.15
7.0.10.0070.02116.07
7.0.00.0040.03216.09
5.6.400.0060.00815.14
5.6.390.0040.00915.11
5.6.380.0100.00515.01
5.6.370.0090.00715.21
5.6.360.0060.01015.28
5.6.350.0030.01015.14
5.6.340.0030.01114.96
5.6.330.0020.00915.13
5.6.320.0060.00615.30
5.6.310.0070.00415.10
5.6.300.0020.01215.26
5.6.290.0080.00515.06
5.6.280.0060.03017.15
5.6.270.0050.01014.98
5.6.260.0060.00614.90
5.6.250.0050.00915.26
5.6.240.0070.02716.91
5.6.230.0070.03116.86
5.6.220.0090.02916.82
5.6.210.0070.02916.89
5.6.200.0080.03117.01
5.6.190.0070.03317.08
5.6.180.0050.02617.08
5.6.170.0100.02017.03
5.6.160.0060.03517.00
5.6.150.0060.02416.97
5.6.140.0090.02917.01
5.6.130.0080.03117.06
5.6.120.0080.02817.01
5.6.110.0060.02117.10
5.6.100.0040.03717.09
5.6.90.0060.03317.07
5.6.80.0060.02216.85
5.6.70.0060.02216.63
5.6.60.0060.03316.95
5.6.50.0070.03116.83
5.6.40.0090.02816.69
5.6.30.0060.03216.76
5.6.20.0080.02216.80
5.6.10.0100.02816.76
5.6.00.0080.02916.83
5.5.380.0050.03416.81
5.5.370.0100.02816.93
5.5.360.0070.03016.89
5.5.350.0070.03016.73
5.5.340.0080.03017.05
5.5.330.0080.03117.07
5.5.320.0080.03216.99
5.5.310.0060.03117.05
5.5.300.0070.02016.95
5.5.290.0060.03116.96
5.5.280.0070.02016.98
5.5.270.0020.02716.90
5.5.260.0020.03316.95
5.5.250.0090.02916.88
5.5.240.0060.02016.71
5.5.230.0090.02216.73
5.5.220.0090.03016.72
5.5.210.0020.03516.59
5.5.200.0050.01816.73
5.5.190.0060.03416.77
5.5.180.0060.03116.75
5.5.170.0070.00615.00
5.5.160.0040.03816.63
5.5.150.0080.02816.66
5.5.140.0090.03216.62
5.5.130.0040.03216.62
5.5.120.0030.03316.58
5.5.110.0080.02616.64
5.5.100.0060.02316.61
5.5.90.0090.02116.75
5.5.80.0080.02916.67
5.5.70.0080.03116.77
5.5.60.0050.03116.56
5.5.50.0110.01916.70
5.5.40.0120.01816.73
5.5.30.0100.02616.57
5.5.20.0090.02016.75
5.5.10.0060.02116.64
5.5.00.0080.03116.66
5.4.450.0040.03414.41
5.4.440.0060.03014.34
5.4.430.0050.02714.46
5.4.420.0030.03114.34
5.4.410.0080.01814.42
5.4.400.0060.03014.32
5.4.390.0080.02614.25
5.4.380.0040.03114.23
5.4.370.0040.02914.23
5.4.360.0040.03314.31
5.4.350.0070.02714.10
5.4.340.0030.02514.38
5.4.330.0020.00811.85
5.4.320.0080.02214.25
5.4.310.0060.02314.35
5.4.300.0040.02814.29
5.4.290.0070.01714.22
5.4.280.0060.03214.36
5.4.270.0060.02714.35
5.4.260.0080.03014.24
5.4.250.0090.02914.26
5.4.240.0060.01914.15
5.4.230.0060.02914.24
5.4.220.0100.02814.17
5.4.210.0060.02814.24
5.4.200.0040.02114.29
5.4.190.0010.03214.23
5.4.180.0020.02114.15
5.4.170.0030.02814.20
5.4.160.0090.02214.20
5.4.150.0060.02014.32
5.4.140.0080.02513.36
5.4.130.0050.02813.31
5.4.120.0040.02513.33
5.4.110.0040.01913.36
5.4.100.0080.02413.38
5.4.90.0050.01813.38
5.4.80.0070.02613.45
5.4.70.0040.02513.31
5.4.60.0070.02513.32
5.4.50.0040.01813.43
5.4.40.0020.02213.43
5.4.30.0040.02113.31
5.4.20.0100.01913.44
5.4.10.0060.01613.39
5.4.00.0060.01613.22
5.3.290.0050.02512.72
5.3.280.0060.01812.63
5.3.270.0050.02012.66
5.3.260.0050.02912.68
5.3.250.0080.03012.63
5.3.240.0080.02912.69
5.3.230.0070.01912.66
5.3.220.0050.02212.67
5.3.210.0060.03212.68
5.3.200.0070.02812.67
5.3.190.0060.02812.66
5.3.180.0100.02612.63
5.3.170.0060.03212.67
5.3.160.0090.03012.65
5.3.150.0060.02712.73
5.3.140.0040.02212.68
5.3.130.0060.01812.65
5.3.120.0060.02912.65
5.3.110.0080.02712.62
5.3.100.0060.03012.59
5.3.90.0070.01812.56
5.3.80.0060.02812.49
5.3.70.0030.03412.48
5.3.60.0120.01612.48
5.3.50.0070.02912.47
5.3.40.0070.02612.43
5.3.30.0110.02812.48
5.3.20.0060.02012.37
5.3.10.0070.02012.37
5.3.00.0080.02612.36
5.2.170.0070.05711.06
5.2.160.0100.05010.99
5.2.150.0070.04711.19
5.2.140.0000.04310.97
5.2.130.0070.05311.14
5.2.120.0230.04711.15
5.2.110.0030.06711.08
5.2.100.0070.06311.10
5.2.90.0100.04711.08
5.2.80.0030.05710.91
5.2.70.0100.03011.14
5.2.60.0070.06010.96
5.2.50.0170.05011.00
5.2.40.0100.05311.04
5.2.30.0130.05011.04
5.2.20.0100.04310.93
5.2.10.0030.05010.88
5.2.00.0100.04710.73
5.1.60.0070.0539.98
5.1.50.0030.05310.02
5.1.40.0030.0439.82
5.1.30.0170.04310.41
5.1.20.0070.05310.41
5.1.10.0030.03010.07
5.1.00.0000.03310.05
5.0.50.0000.0408.39
5.0.40.0030.0338.44
5.0.30.0000.0578.27
5.0.20.0070.0308.19
5.0.10.0030.0378.22
5.0.00.0030.0608.24
4.4.90.0000.0377.28
4.4.80.0100.0277.28
4.4.70.0000.0377.28
4.4.60.0000.0377.28
4.4.50.0100.0307.28
4.4.40.0100.0477.28
4.4.30.0030.0337.28
4.4.20.0070.0177.28
4.4.10.0000.0407.28
4.4.00.0030.0577.28
4.3.110.0000.0377.28
4.3.100.0100.0207.28
4.3.90.0000.0377.28
4.3.80.0070.0477.28
4.3.70.0000.0237.28
4.3.60.0000.0377.28
4.3.50.0070.0177.28
4.3.40.0000.0537.28
4.3.30.0000.0407.28
4.3.20.0030.0337.28
4.3.10.0070.0307.28
4.3.00.0000.0277.28

preferences:
38.26 ms | 400 KiB | 5 Q