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);

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)
8.3.60.0040.01116.50
8.3.50.0110.01022.03
8.3.40.0070.01018.69
8.3.30.0160.00018.54
8.3.20.0050.00318.84
8.3.10.0040.00423.61
8.3.00.0080.00022.41
8.2.180.0160.00616.75
8.2.170.0110.00422.96
8.2.160.0110.00420.90
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00422.31
8.2.120.0080.00026.35
8.2.110.0060.00321.00
8.2.100.0030.00917.68
8.2.90.0040.00418.97
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0030.00617.91
8.2.50.0000.00818.10
8.2.40.0040.00420.59
8.2.30.0040.00419.13
8.2.20.0040.00417.63
8.2.10.0030.00518.18
8.2.00.0040.00418.03
8.1.280.0070.01125.92
8.1.270.0000.00823.79
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0140.00019.14
8.1.230.0040.00817.42
8.1.220.0080.00017.79
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0030.00718.59
8.1.160.0030.00322.01
8.1.150.0040.00418.74
8.1.140.0070.00019.47
8.1.130.0040.00417.71
8.1.120.0040.00417.38
8.1.110.0020.00517.45
8.1.100.0030.00317.27
8.1.90.0000.00817.29
8.1.80.0000.00917.30
8.1.70.0030.00317.34
8.1.60.0040.00417.61
8.1.50.0050.00517.52
8.1.40.0050.00317.51
8.1.30.0030.00617.68
8.1.20.0060.00317.64
8.1.10.0000.00817.36
8.1.00.0030.00617.39
8.0.300.0050.00218.77
8.0.290.0060.00316.63
8.0.280.0000.00718.26
8.0.270.0040.00417.20
8.0.260.0000.00617.25
8.0.250.0030.00316.80
8.0.240.0030.00316.82
8.0.230.0000.00716.85
8.0.220.0050.00316.82
8.0.210.0080.00016.72
8.0.200.0030.00316.91
8.0.190.0040.00416.78
8.0.180.0000.00716.83
8.0.170.0070.00016.85
8.0.160.0030.00316.83
8.0.150.0070.00016.72
8.0.140.0050.00216.82
8.0.130.0030.00313.32
8.0.120.0040.00416.76
8.0.110.0030.00416.72
8.0.100.0000.00816.67
8.0.90.0070.00016.79
8.0.80.0110.01116.76
8.0.70.0000.00816.64
8.0.60.0000.00816.81
8.0.50.0000.00716.69
8.0.30.0090.01216.90
8.0.20.0110.00817.40
8.0.10.0040.00417.01
8.0.00.0140.01116.80
7.4.330.0000.00615.15
7.4.320.0040.00416.52
7.4.300.0080.00016.51
7.4.290.0070.00016.49
7.4.280.0080.00016.50
7.4.270.0030.00316.48
7.4.260.0000.00716.48
7.4.250.0030.00316.47
7.4.240.0000.00716.55
7.4.230.0000.00716.59
7.4.220.0060.00916.68
7.4.210.0050.01316.50
7.4.200.0040.00416.52
7.4.160.0090.00616.43
7.4.150.0130.00317.40
7.4.140.0110.00517.86
7.4.130.0110.00716.60
7.4.120.0120.00816.47
7.4.110.0070.01016.41
7.4.100.0100.01316.57
7.4.90.0100.00716.38
7.4.80.0030.01419.39
7.4.70.0060.01216.44
7.4.60.0120.00916.59
7.4.50.0040.00816.11
7.4.40.0120.00916.67
7.4.30.0090.01316.57
7.4.00.0110.00514.97
7.3.330.0060.00013.17
7.3.320.0000.00512.95
7.3.310.0040.00416.13
7.3.300.0070.00016.04
7.3.290.0040.00416.18
7.3.280.0090.00816.22
7.3.270.0090.00917.40
7.3.260.0090.00816.34
7.3.250.0130.00616.32
7.3.240.0090.00916.30
7.3.230.0130.00316.43
7.3.210.0100.00616.24
7.3.200.0100.00616.28
7.3.190.0170.00016.16
7.3.180.0150.00316.23
7.3.170.0160.00016.36
7.3.160.0000.01916.60
7.2.330.0130.00316.50
7.2.320.0030.01316.60
7.2.310.0040.01516.21
7.2.300.0090.01216.26
7.2.290.0060.01016.49
7.2.00.0100.00619.04
7.1.200.0060.00615.75
7.1.70.0060.00317.05
7.1.60.0060.01017.25
7.1.00.0030.08722.35
7.0.200.0060.01016.75
7.0.100.0100.05320.08
7.0.90.0270.05019.98
7.0.80.0170.06719.92
7.0.70.0270.07319.95
7.0.60.0330.06720.02
7.0.50.0230.05720.39
7.0.40.1600.06720.30
7.0.30.0330.05020.30
7.0.20.0270.06020.43
7.0.10.0230.08320.37
7.0.00.0170.06720.36
5.6.250.0100.06020.77
5.6.240.0130.05720.66
5.6.230.0200.06320.81
5.6.220.0070.06020.61
5.6.210.0070.06020.86
5.6.200.0130.05721.19
5.6.190.0000.06721.07
5.6.180.0200.06721.11
5.6.170.0200.06321.13
5.6.160.0100.06721.07
5.6.150.0200.05721.09
5.6.140.0170.07021.06
5.6.130.0270.06321.04
5.6.120.0200.07021.16
5.6.110.0100.08021.18
5.6.100.0100.06321.10
5.6.90.0100.09021.07
5.6.80.0200.04320.45
5.6.70.0130.05720.49
5.6.60.0130.05020.52
5.6.50.0030.06020.46
5.6.40.0070.06320.45
5.6.30.0200.05020.43
5.6.20.0100.05720.48
5.6.10.0200.04720.36
5.6.00.0230.07320.43

preferences:
62.33 ms | 401 KiB | 5 Q