3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); echo json_encode($arr); echo "\n"; $arr = array( array( "region" => "valore", "price" => "valore2" ), array( "region" => "valore", "price" => "valore2" ), array( "region" => "valore", "price" => "valore2" ) ); $encoded = json_encode($arr); echo $encoded . "\n"; print_r(json_decode($encoded), true); echo "\n"; $named_array = array( "nome_array" => array( array( "foo" => "bar" ), array( "foo" => "baz" ) ) ); echo json_encode($named_array);

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)
8.3.60.0110.00416.50
8.3.50.0080.00816.24
8.3.40.0070.01018.72
8.3.30.0060.00918.60
8.3.20.0080.00021.74
8.3.10.0070.00023.66
8.3.00.0080.00019.52
8.2.180.0100.01016.62
8.2.170.0060.00922.96
8.2.160.0070.00719.27
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00022.31
8.2.120.0000.00826.35
8.2.110.0050.00521.13
8.2.100.0040.00817.78
8.2.90.0000.00819.21
8.2.80.0000.00817.97
8.2.70.0080.00017.38
8.2.60.0080.00017.93
8.2.50.0060.00318.10
8.2.40.0030.00620.60
8.2.30.0000.00719.13
8.2.20.0050.00218.11
8.2.10.0000.00818.12
8.2.00.0000.00818.09
8.1.280.0100.00725.92
8.1.270.0080.00020.66
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00421.18
8.1.230.0080.00417.83
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0060.00617.22
8.1.180.0040.00418.10
8.1.170.0000.00918.50
8.1.160.0070.00018.88
8.1.150.0050.00318.86
8.1.140.0020.00517.39
8.1.130.0000.00718.86
8.1.120.0070.00317.46
8.1.110.0000.00717.40
8.1.100.0040.00417.31
8.1.90.0050.00517.42
8.1.80.0000.00817.28
8.1.70.0000.00717.35
8.1.60.0020.00517.50
8.1.50.0000.00717.47
8.1.40.0000.01017.49
8.1.30.0040.00417.54
8.1.20.0000.00717.64
8.1.10.0030.00517.52
8.1.00.0000.00817.38
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.44
8.0.270.0000.00817.27
8.0.260.0030.00318.48
8.0.250.0030.00316.96
8.0.240.0030.00616.96
8.0.230.0050.00316.94
8.0.220.0070.00016.82
8.0.210.0000.00716.89
8.0.200.0000.00616.84
8.0.190.0060.00316.89
8.0.180.0090.00016.79
8.0.170.0000.00716.80
8.0.160.0000.00716.99
8.0.150.0070.00016.91
8.0.140.0080.00016.88
8.0.130.0000.00613.31
8.0.120.0000.00716.77
8.0.110.0030.00516.71
8.0.100.0040.00416.76
8.0.90.0000.00716.93
8.0.80.0050.01016.81
8.0.70.0000.00716.69
8.0.60.0040.00416.85
8.0.50.0040.00416.92
8.0.30.0110.00717.12
8.0.20.0070.01317.40
8.0.10.0000.00716.76
8.0.00.0170.00716.62
7.4.330.0050.00015.55
7.4.320.0000.00616.52
7.4.300.0030.00316.52
7.4.290.0000.00716.58
7.4.280.0050.00216.40
7.4.270.0000.00816.50
7.4.260.0030.00316.45
7.4.250.0070.00016.48
7.4.240.0000.00716.46
7.4.230.0070.00016.50
7.4.220.0130.01016.43
7.4.210.0050.01216.47
7.4.200.0000.00716.38
7.4.160.0120.00316.34
7.4.150.0080.00817.40
7.4.140.0120.00617.86
7.4.130.0130.00616.38
7.4.120.0110.01116.49
7.4.110.0050.01116.49
7.4.100.0120.01016.42
7.4.90.0060.01116.51
7.4.80.0070.01119.39
7.4.70.0160.00716.41
7.4.60.0060.01016.49
7.4.50.0030.01316.13
7.4.40.0120.00416.38
7.4.30.0140.00316.58
7.4.00.0070.01115.16
7.3.330.0050.00012.94
7.3.320.0050.00013.09
7.3.310.0000.00716.26
7.3.300.0030.00316.17
7.3.290.0000.00716.23
7.3.280.0060.01316.18
7.3.270.0120.00617.40
7.3.260.0140.00316.39
7.3.250.0140.00516.30
7.3.240.0060.01116.32
7.3.230.0100.00716.43
7.3.210.0000.01716.41
7.3.200.0090.01216.30
7.3.190.0030.01316.36
7.3.180.0130.00316.41
7.3.170.0070.01016.44
7.3.160.0040.01216.28
7.3.120.0030.01314.87
7.3.110.0080.00414.50
7.3.100.0120.00014.62
7.3.90.0000.01414.47
7.3.80.0100.00715.02
7.3.70.0070.00314.50
7.3.60.0030.00714.77
7.3.50.0060.00814.78
7.3.40.0030.00614.45
7.3.30.0090.00314.82
7.3.20.0060.00916.70
7.3.10.0030.01516.64
7.3.00.0100.00316.61
7.2.330.0110.01416.46
7.2.320.0000.01616.68
7.2.310.0100.00616.65
7.2.300.0000.01516.66
7.2.290.0130.00516.70
7.2.240.0000.01515.07
7.2.230.0030.01214.93
7.2.220.0070.00715.26
7.2.210.0070.01015.27
7.2.200.0060.00614.89
7.2.190.0070.00714.78
7.2.180.0090.00014.99
7.2.170.0030.01015.12
7.2.160.0040.01014.98
7.2.150.0100.00716.98
7.2.140.0060.00817.15
7.2.130.0070.00716.92
7.2.120.0090.00617.01
7.2.110.0070.01016.92
7.2.100.0040.00816.89
7.2.90.0070.01017.05
7.2.80.0070.00716.86
7.2.70.0000.01716.97
7.2.60.0050.00816.95
7.2.50.0110.00416.63
7.2.40.0060.00316.60
7.2.30.0060.00916.73
7.2.20.0080.00816.61
7.2.10.0070.00716.97
7.2.00.0050.00718.11
7.1.330.0030.01015.68
7.1.320.0030.01015.85
7.1.310.0040.00415.93
7.1.300.0040.00815.74
7.1.290.0070.00715.67
7.1.280.0050.00315.56
7.1.270.0070.00315.48
7.1.260.0000.01315.53
7.1.250.0110.00415.52
7.1.200.0080.00415.54
7.1.100.0040.00817.75
7.1.70.0030.00716.97
7.1.60.0040.00817.16
7.1.50.0330.01332.79
7.1.40.0370.01032.48
7.1.30.0500.00732.55
7.1.20.1300.01032.82
7.1.10.0400.01014.57
7.1.00.0200.01314.57
7.0.200.0060.00916.77
7.0.190.0270.01014.87
7.0.180.0230.00714.48
7.0.170.0500.01014.30
7.0.160.0400.00714.31
7.0.150.0300.01314.26
7.0.140.0370.01014.34
7.0.130.0330.01014.59
7.0.120.0270.00714.55
7.0.110.0270.01314.39
7.0.100.0300.01314.28
7.0.90.0200.01314.26
7.0.80.0370.01014.41
7.0.70.0270.01014.27
7.0.60.0200.01314.37
7.0.50.0200.01014.32
7.0.40.0270.00714.59
7.0.30.0230.01014.59
7.0.20.0300.01314.44
7.0.10.0200.01014.52
7.0.00.0370.01014.54

preferences:
58.05 ms | 401 KiB | 5 Q