3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = (array) json_decode('{"a":"1","2":"1","3":"1","4":"1","12":"1"}'); #var_dump($array); #var_dump(array_key_exists('a', $array)); #var_dump(array_key_exists(12, $array)); #var_dump($array[12]); #var_dump($array['12']); #var_dump($array[12]); #$var = (array)json_decode('{"a":"1","2":"1","3":"1","4":"1","12":"1"}'); #var_dump($var['2']); #var_export($var); $var = array('a'=>'1', '2'=>'2'); var_export($var); $var = (object) $var; var_export($var); $var = (array) $var; var_export($var); $var = json_encode($var); var_export($var); $var = json_decode($var, true); var_export($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)
8.3.60.0090.00616.63
8.3.50.0120.00616.45
8.3.40.0150.00418.65
8.3.30.0040.01118.77
8.3.20.0040.00418.90
8.3.10.0060.00323.65
8.3.00.0070.00022.39
8.2.180.0040.01218.16
8.2.170.0000.01422.96
8.2.160.0070.00720.94
8.2.150.0060.00324.18
8.2.140.0000.00724.66
8.2.130.0000.00722.31
8.2.120.0000.00826.35
8.2.110.0070.00419.25
8.2.100.0120.00017.72
8.2.90.0030.00518.92
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0040.00417.80
8.2.50.0030.00518.10
8.2.40.0040.00420.54
8.2.30.0000.00819.22
8.2.20.0040.00417.68
8.2.10.0040.00418.04
8.2.00.0100.00017.97
8.1.280.0180.00025.92
8.1.270.0080.00023.96
8.1.260.0080.00028.09
8.1.250.0030.00528.09
8.1.240.0060.00322.10
8.1.230.0090.00318.86
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0060.00317.35
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0030.00618.52
8.1.160.0030.00322.14
8.1.150.0080.00018.81
8.1.140.0080.00019.51
8.1.130.0030.00317.63
8.1.120.0050.00217.47
8.1.110.0000.00717.28
8.1.100.0080.00317.36
8.1.90.0080.00017.43
8.1.80.0040.00417.39
8.1.70.0120.00017.47
8.1.60.0040.00417.58
8.1.50.0030.00517.54
8.1.40.0050.00317.50
8.1.30.0040.00417.63
8.1.20.0050.00317.62
8.1.10.0000.00717.35
8.1.00.0030.00517.24
8.0.300.0030.00618.77
8.0.290.0040.00416.58
8.0.280.0030.00318.36
8.0.270.0000.00717.20
8.0.260.0080.00417.23
8.0.250.0030.00316.86
8.0.240.0040.00416.88
8.0.230.0070.00016.78
8.0.220.0030.00316.83
8.0.210.0000.00716.84
8.0.200.0040.00416.78
8.0.190.0040.00416.86
8.0.180.0000.01116.81
8.0.170.0000.00716.83
8.0.160.0030.00316.87
8.0.150.0040.00416.68
8.0.140.0030.00316.74
8.0.130.0000.00513.21
8.0.120.0030.00616.62
8.0.110.0000.00716.71
8.0.100.0030.00516.78
8.0.90.0080.00016.80
8.0.80.0140.00316.83
8.0.70.0000.00716.65
8.0.60.0000.00816.82
8.0.50.0040.00416.89
8.0.30.0130.00617.13
8.0.20.0090.01017.40
8.0.10.0040.00416.90
8.0.00.0060.01316.60
7.4.330.0050.00015.08
7.4.320.0070.00016.50
7.4.300.0000.00716.45
7.4.290.0070.00016.64
7.4.280.0000.00816.48
7.4.270.0000.00816.50
7.4.260.0040.00416.56
7.4.250.0080.00016.61
7.4.240.0030.00316.46
7.4.230.0030.00316.58
7.4.220.0180.00616.61
7.4.210.0120.00616.37
7.4.200.0040.00416.41
7.4.160.0110.00516.35
7.4.150.0140.00317.40
7.4.140.0100.00717.86
7.4.130.0030.01416.41
7.4.120.0100.00816.50
7.4.110.0030.01316.44
7.4.100.0060.01716.61
7.4.90.0070.01016.48
7.4.80.0060.01219.39
7.4.70.0000.01616.35
7.4.60.0100.00716.51
7.4.50.0120.00316.46
7.4.40.0120.00616.46
7.4.30.0140.00416.60
7.4.00.0080.00714.93
7.3.330.0030.00313.15
7.3.320.0000.00613.11
7.3.310.0030.00416.17
7.3.300.0030.00316.30
7.3.290.0080.00716.31
7.3.280.0080.00816.29
7.3.270.0030.01317.40
7.3.260.0110.00916.29
7.3.250.0080.00916.46
7.3.240.0060.01216.42
7.3.230.0100.00616.39
7.3.210.0040.01216.20
7.3.200.0000.02016.23
7.3.190.0060.01416.45
7.3.180.0100.00716.64
7.3.170.0160.00616.28
7.3.160.0070.01016.25
7.3.120.0060.00914.93
7.3.110.0100.00614.93
7.3.100.0080.00714.84
7.3.90.0050.00814.78
7.3.80.0070.00914.88
7.3.70.0050.00714.81
7.3.60.0100.00314.71
7.3.50.0030.01014.63
7.3.40.0060.01014.78
7.3.30.0090.00514.68
7.3.20.0070.00716.76
7.3.10.0050.00916.59
7.3.00.0070.00416.69
7.2.330.0110.00716.45
7.2.320.0100.00716.62
7.2.310.0040.01316.48
7.2.300.0110.00616.64
7.2.290.0130.00316.68
7.2.250.0060.01114.81
7.2.240.0040.01214.73
7.2.230.0050.00814.95
7.2.220.0060.00614.71
7.2.210.0060.01115.02
7.2.200.0030.01114.79
7.2.190.0070.00914.85
7.2.180.0080.00614.92
7.2.170.0020.01114.90
7.2.160.0110.00414.96
7.2.150.0120.00216.82
7.2.140.0080.00516.78
7.2.130.0050.00816.68
7.2.120.0060.00816.92
7.2.110.0050.00816.74
7.2.100.0050.00716.72
7.2.90.0070.00716.75
7.2.80.0050.01016.78
7.2.70.0060.00616.67
7.2.60.0060.00716.80
7.2.50.0100.00616.76
7.2.40.0080.00716.84
7.2.30.0030.01117.00
7.2.20.0050.01216.59
7.2.10.0050.00816.67
7.2.00.0030.00917.60
7.1.330.0080.00715.78
7.1.320.0050.00915.62
7.1.310.0060.00915.59
7.1.300.0050.00815.71
7.1.290.0030.00915.69
7.1.280.0050.00615.74
7.1.270.0070.00715.81
7.1.260.0070.00915.67
7.1.250.0070.00515.89
7.1.240.0070.00715.84
7.1.230.0060.00915.82
7.1.220.0070.00715.77
7.1.210.0090.00615.76
7.1.200.0040.00715.75
7.1.190.0030.01315.57
7.1.180.0000.01315.52
7.1.170.0000.00915.52
7.1.160.0070.00315.91
7.1.150.0060.00915.91
7.1.140.0100.00315.80
7.1.130.0100.00315.87
7.1.120.0070.01015.51
7.1.110.0070.01115.60
7.1.100.0070.01015.89
7.1.90.0060.00615.81
7.1.80.0000.01315.57
7.1.70.0080.00816.32
7.1.60.0070.00516.35
7.1.50.0140.00525.19
7.1.40.0040.00415.75
7.1.30.0000.01115.64
7.1.20.0000.00915.79
7.1.10.0040.01115.73
7.1.00.0070.03919.05
7.0.330.0060.00615.36
7.0.320.0030.01315.39
7.0.310.0030.00915.27
7.0.300.0090.00915.59
7.0.290.0000.01615.13
7.0.280.0060.00915.39
7.0.270.0060.00615.59
7.0.260.0120.00615.43
7.0.250.0030.01015.58
7.0.240.0040.00815.08
7.0.230.0130.00015.49
7.0.220.0030.01315.32
7.0.210.0070.00715.44
7.0.200.0010.00916.08
7.0.190.0030.00715.50
7.0.180.0030.00915.58
7.0.170.0040.00715.48
7.0.160.0000.01215.51
7.0.150.0030.00915.40
7.0.140.0070.01015.26
7.0.130.0040.00815.55
7.0.120.0070.00715.46
7.0.110.0070.00415.46
7.0.100.0120.02917.75
7.0.90.0120.03317.62
7.0.80.0120.03517.67
7.0.70.0080.03017.66
7.0.60.0080.03217.71
7.0.50.0050.03717.91
7.0.40.0050.03516.95
7.0.30.0050.04816.88
7.0.20.0080.04316.83
7.0.10.0120.04016.80
7.0.00.0150.04016.72
5.6.400.0000.00913.79
5.6.390.0050.00514.38
5.6.380.0040.00813.92
5.6.370.0030.01014.52
5.6.360.0030.01014.19
5.6.350.0000.01514.31
5.6.340.0060.01214.38
5.6.330.0030.01514.34
5.6.320.0060.01314.43
5.6.310.0060.00314.21
5.6.300.0070.00714.43
5.6.290.0040.00714.55
5.6.280.0110.00313.97
5.6.270.0080.00814.14
5.6.260.0060.00314.36
5.6.250.0030.03717.58
5.6.240.0100.03017.48
5.6.230.0100.03717.49
5.6.220.0130.02617.31
5.6.210.0070.03317.59
5.6.200.0020.05117.77
5.6.190.0110.03117.65
5.6.180.0140.04017.72
5.6.170.0130.03717.77
5.6.160.0110.03317.67
5.6.150.0110.03417.64
5.6.140.0070.03217.73
5.6.130.0050.03817.69
5.6.120.0120.03117.59
5.6.110.0090.03217.80
5.6.100.0080.04017.67
5.6.90.0100.03517.77
5.6.80.0170.03917.45
5.6.70.0100.04017.13
5.6.60.0120.03517.30
5.6.50.0110.03517.14
5.6.40.0080.04317.16
5.6.30.0110.03817.41
5.6.20.0120.04517.17
5.6.10.0090.03217.28
5.6.00.0070.03317.21

preferences:
85.68 ms | 401 KiB | 5 Q