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); 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)
8.3.60.0070.00716.38
8.3.50.0090.01122.04
8.3.40.0120.00318.43
8.3.30.0070.00718.54
8.3.20.0090.00018.85
8.3.10.0040.00423.52
8.3.00.0050.00222.30
8.2.180.0060.01216.32
8.2.170.0090.00622.96
8.2.160.0150.00021.00
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00822.30
8.2.120.0030.00626.35
8.2.110.0030.00719.21
8.2.100.0060.00617.78
8.2.90.0050.00319.07
8.2.80.0040.00417.97
8.2.70.0030.00717.48
8.2.60.0030.00617.93
8.2.50.0050.00518.10
8.2.40.0040.00422.33
8.2.30.0040.00419.28
8.2.20.0070.00017.60
8.2.10.0050.00318.10
8.2.00.0040.00418.10
8.1.280.0070.01125.92
8.1.270.0040.00423.92
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00321.43
8.1.230.0080.00417.42
8.1.220.0050.00317.78
8.1.210.0030.00618.77
8.1.200.0060.00317.13
8.1.190.0000.00817.23
8.1.180.0000.00918.10
8.1.170.0030.00618.50
8.1.160.0030.00322.16
8.1.150.0070.00018.75
8.1.140.0000.00719.38
8.1.130.0030.00317.63
8.1.120.0040.00417.37
8.1.110.0040.00417.26
8.1.100.0030.00617.42
8.1.90.0000.00717.46
8.1.80.0000.00717.50
8.1.70.0030.00717.45
8.1.60.0000.00917.55
8.1.50.0060.00317.52
8.1.40.0040.00417.48
8.1.30.0050.00317.63
8.1.20.0000.00917.66
8.1.10.0000.00717.31
8.1.00.0050.00217.37
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00718.37
8.0.270.0000.00717.18
8.0.260.0070.00317.10
8.0.250.0030.00316.88
8.0.240.0030.00316.84
8.0.230.0040.00416.88
8.0.220.0000.00716.83
8.0.210.0040.00416.72
8.0.200.0000.00616.74
8.0.190.0000.00716.84
8.0.180.0080.00016.85
8.0.170.0000.00816.82
8.0.160.0040.00416.79
8.0.150.0000.00716.67
8.0.140.0070.00016.79
8.0.130.0000.00513.13
8.0.120.0030.00516.70
8.0.110.0040.00416.80
8.0.100.0050.00216.65
8.0.90.0000.00716.86
8.0.80.0100.00616.80
8.0.70.0000.00716.63
8.0.60.0040.00416.71
8.0.50.0000.00716.72
8.0.30.0070.01017.03
8.0.20.0080.01017.40
8.0.10.0050.00216.92
8.0.00.0140.01116.74
7.4.330.0000.00515.08
7.4.320.0060.00016.44
7.4.300.0030.00316.48
7.4.290.0070.00016.52
7.4.280.0040.00416.50
7.4.270.0030.00316.49
7.4.260.0080.00016.53
7.4.250.0040.00416.46
7.4.240.0030.00516.59
7.4.230.0030.00316.23
7.4.220.0060.01216.45
7.4.210.0060.00916.66
7.4.200.0070.00016.59
7.4.160.0100.00616.44
7.4.150.0060.01117.40
7.4.140.0060.01117.86
7.4.130.0100.00816.54
7.4.120.0140.00616.39
7.4.110.0110.01116.37
7.4.100.0160.00016.40
7.4.90.0090.00916.52
7.4.80.0130.00719.39
7.4.70.0090.00916.50
7.4.60.0100.00616.37
7.4.50.0070.00716.26
7.4.40.0100.00616.15
7.4.30.0080.00816.41
7.4.00.0090.00914.58
7.3.330.0050.00213.24
7.3.320.0060.00013.21
7.3.310.0040.00416.25
7.3.300.0060.00016.15
7.3.290.0070.01116.25
7.3.280.0110.00516.26
7.3.270.0030.01417.40
7.3.260.0100.01016.43
7.3.250.0070.01116.25
7.3.240.0090.00916.52
7.3.230.0040.01216.39
7.3.210.0080.00816.26
7.3.200.0090.00616.53
7.3.190.0060.01616.56
7.3.180.0000.01716.52
7.3.170.0120.00416.56
7.3.160.0160.00616.27
7.3.120.0070.00914.86
7.3.110.0080.00814.71
7.3.100.0070.00714.66
7.3.90.0080.00614.64
7.3.80.0080.00814.77
7.3.70.0040.01214.53
7.3.60.0050.01114.67
7.3.50.0050.00614.69
7.3.40.0080.00514.87
7.3.30.0040.01014.59
7.3.20.0050.01316.67
7.3.10.0080.00716.51
7.3.00.0030.00816.52
7.2.330.0170.00616.55
7.2.320.0130.01016.61
7.2.310.0100.00716.65
7.2.300.0110.00816.57
7.2.290.0100.00616.38
7.2.250.0070.01114.76
7.2.240.0060.01114.93
7.2.230.0060.00714.88
7.2.220.0000.01414.72
7.2.210.0080.00814.63
7.2.200.0030.01114.98
7.2.190.0050.00714.84
7.2.180.0040.00914.90
7.2.170.0070.00714.80
7.2.160.0070.00314.90
7.2.150.0070.00716.85
7.2.140.0030.01016.84
7.2.130.0000.01216.73
7.2.120.0030.01016.55
7.2.110.0000.00916.80
7.2.100.0030.01316.61
7.2.90.0060.00616.92
7.2.80.0060.00916.97
7.2.70.0030.01017.01
7.2.60.0040.00916.88
7.2.50.0070.00716.64
7.2.40.0090.00316.88
7.2.30.0070.00717.04
7.2.20.0070.00716.84
7.2.10.0040.00816.87
7.2.00.0050.01018.02
7.1.330.0010.01515.52
7.1.320.0080.00515.73
7.1.310.0070.00415.83
7.1.300.0040.00815.59
7.1.290.0050.00415.61
7.1.280.0070.00715.80
7.1.270.0060.00615.78
7.1.260.0070.00415.72
7.1.250.0090.00615.83
7.1.240.0090.00015.64
7.1.230.0000.01315.55
7.1.220.0140.00315.82
7.1.210.0040.01115.72
7.1.200.0050.00515.63
7.1.190.0110.00315.71
7.1.180.0030.01315.35
7.1.170.0000.00815.68
7.1.160.0100.00315.80
7.1.150.0000.01315.80
7.1.140.0090.00315.48
7.1.130.0030.01115.77
7.1.120.0030.01015.76
7.1.110.0030.00915.85
7.1.100.0000.00915.82
7.1.90.0060.00315.74
7.1.80.0040.00815.86
7.1.70.0060.00316.53
7.1.60.0040.00916.45
7.1.50.0110.01525.34
7.1.40.0060.00315.66
7.1.30.0000.01215.68
7.1.20.0080.00415.75
7.1.10.0040.00915.66
7.1.00.0000.04519.12
7.0.330.0000.01315.29
7.0.320.0040.00415.35
7.0.310.0140.00015.27
7.0.300.0000.01115.38
7.0.290.0000.01515.07
7.0.280.0060.00615.36
7.0.270.0120.00415.02
7.0.260.0060.00615.22
7.0.250.0060.00615.46
7.0.240.0080.00415.32
7.0.230.0080.00815.34
7.0.220.0000.01315.39
7.0.210.0000.00815.29
7.0.200.0070.00816.13
7.0.190.0130.00315.52
7.0.180.0040.00715.26
7.0.170.0020.00515.34
7.0.160.0040.00815.30
7.0.150.0000.01515.17
7.0.140.0100.00315.60
7.0.130.0030.01015.43
7.0.120.0070.00315.32
7.0.110.0090.00315.35
7.0.100.0180.03817.50
7.0.90.0100.03417.71
7.0.80.0160.02617.74
7.0.70.0150.04217.72
7.0.60.0090.03017.77
7.0.50.0090.04017.83
7.0.40.0120.03316.92
7.0.30.0110.03316.80
7.0.20.0120.03316.84
7.0.10.0110.03016.85
7.0.00.0150.04016.91
5.6.400.0000.00914.44
5.6.390.0000.01514.20
5.6.380.0070.00714.66
5.6.370.0070.00714.52
5.6.360.0070.00714.30
5.6.350.0100.00314.43
5.6.340.0070.00714.18
5.6.330.0130.00313.84
5.6.320.0040.00414.25
5.6.310.0050.00314.26
5.6.300.0000.01314.05
5.6.290.0030.00614.01
5.6.280.0030.00914.34
5.6.270.0050.00514.00
5.6.260.0110.00414.09
5.6.250.0080.03217.63
5.6.240.0070.03517.43
5.6.230.0080.03517.34
5.6.220.0080.02717.46
5.6.210.0070.03517.45
5.6.200.0190.03017.46
5.6.190.0150.02517.63
5.6.180.0090.03017.62
5.6.170.0050.03517.70
5.6.160.0090.03317.71
5.6.150.0050.03617.64
5.6.140.0160.03717.63
5.6.130.0110.04317.50
5.6.120.0130.04117.49
5.6.110.0070.03717.54
5.6.100.0040.03817.63
5.6.90.0050.03517.69
5.6.80.0030.03817.27
5.6.70.0070.04117.34
5.6.60.0130.02517.30
5.6.50.0070.03217.21
5.6.40.0090.03117.26
5.6.30.0180.02617.28
5.6.20.0080.03017.39
5.6.10.0010.03617.43
5.6.00.0150.02317.26

preferences:
59.01 ms | 401 KiB | 5 Q