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)); 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)
8.3.60.0040.01116.38
8.3.50.0140.00416.24
8.3.40.0070.00718.62
8.3.30.0140.00018.63
8.3.20.0040.00421.89
8.3.10.0070.00023.66
8.3.00.0040.00419.56
8.2.180.0130.01016.32
8.2.170.0100.00722.96
8.2.160.0070.00719.31
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00522.25
8.2.120.0040.00426.35
8.2.110.0090.00022.20
8.2.100.0120.00017.55
8.2.90.0080.00020.91
8.2.80.0000.00917.97
8.2.70.0000.00917.50
8.2.60.0000.00817.80
8.2.50.0080.00018.10
8.2.40.0000.00720.59
8.2.30.0040.00419.26
8.2.20.0020.00518.13
8.2.10.0000.00718.19
8.2.00.0020.00518.13
8.1.280.0000.01825.92
8.1.270.0000.00720.73
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0090.00023.84
8.1.230.0040.00817.83
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0060.00317.22
8.1.180.0030.00518.10
8.1.170.0040.00418.65
8.1.160.0040.00418.71
8.1.150.0040.00418.68
8.1.140.0070.00019.43
8.1.130.0000.00718.82
8.1.120.0050.00317.40
8.1.110.0040.00417.29
8.1.100.0030.00617.46
8.1.90.0000.01117.38
8.1.80.0040.00417.29
8.1.70.0000.00717.30
8.1.60.0070.00017.56
8.1.50.0040.00417.29
8.1.40.0030.00917.43
8.1.30.0040.00417.49
8.1.20.0050.00317.66
8.1.10.0000.00717.39
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0040.00418.37
8.0.270.0040.00417.27
8.0.260.0030.00317.18
8.0.250.0030.00316.98
8.0.240.0080.00016.99
8.0.230.0000.00816.83
8.0.220.0000.00716.78
8.0.210.0080.00016.79
8.0.200.0040.00416.93
8.0.190.0060.00316.93
8.0.180.0120.00016.85
8.0.170.0000.00716.93
8.0.160.0020.00516.99
8.0.150.0030.00516.75
8.0.140.0000.00816.69
8.0.130.0040.00413.28
8.0.120.0040.00416.92
8.0.110.0040.00417.00
8.0.100.0040.00416.72
8.0.90.0070.00016.79
8.0.80.0080.00816.89
8.0.70.0050.00316.75
8.0.60.0000.00816.89
8.0.50.0050.00316.84
8.0.30.0110.00516.88
8.0.20.0100.01017.40
8.0.10.0070.00017.01
8.0.00.0110.00616.75
7.4.330.0060.00015.55
7.4.320.0000.00616.54
7.4.300.0040.00416.45
7.4.290.0040.00416.44
7.4.280.0000.00916.45
7.4.270.0030.00316.45
7.4.260.0030.00316.53
7.4.250.0070.00016.33
7.4.240.0030.00316.51
7.4.230.0000.00716.29
7.4.220.0090.01216.61
7.4.210.0090.01116.59
7.4.200.0000.00716.49
7.4.160.0120.00516.39
7.4.150.0060.01317.40
7.4.140.0080.01017.86
7.4.130.0120.00616.61
7.4.120.0130.01116.43
7.4.110.0110.01116.45
7.4.100.0060.01016.62
7.4.90.0030.01916.57
7.4.80.0090.00919.39
7.4.70.0120.01216.45
7.4.60.0040.01216.51
7.4.50.0070.01116.64
7.4.40.0040.01216.51
7.4.30.0070.01416.37
7.4.00.0100.00315.01
7.3.330.0060.00013.12
7.3.320.0030.00313.03
7.3.310.0030.00316.13
7.3.300.0000.00716.18
7.3.290.0030.00316.15
7.3.280.0080.00916.19
7.3.270.0200.00017.40
7.3.260.0100.01116.43
7.3.250.0100.00816.27
7.3.240.0100.00916.35
7.3.230.0090.01216.26
7.3.210.0130.00316.24
7.3.200.0140.00716.23
7.3.190.0120.00916.46
7.3.180.0090.00916.27
7.3.170.0120.00416.24
7.3.160.0060.01016.52
7.3.10.0030.00716.66
7.3.00.0030.00716.54
7.2.330.0060.01316.49
7.2.320.0070.01216.67
7.2.310.0080.00816.38
7.2.300.0100.01216.49
7.2.290.0110.00716.70
7.2.130.0040.00816.78
7.2.120.0020.00916.90
7.2.110.0060.00916.93
7.2.100.0070.00716.90
7.2.90.0060.00616.94
7.2.80.0020.01116.95
7.2.70.0060.00716.81
7.2.60.0060.00516.97
7.2.50.0050.00816.87
7.2.40.0080.00616.79
7.2.30.0040.00516.74
7.2.20.0040.01016.90
7.2.10.0020.00816.96
7.2.00.0060.00516.87
7.1.250.0040.00915.78
7.1.240.0060.00315.84
7.1.230.0030.01015.84
7.1.220.0060.00915.90
7.1.210.0120.00315.88
7.1.200.0020.01015.79
7.1.190.0050.00315.54
7.1.180.0100.00715.89
7.1.170.0060.00315.65
7.1.160.0000.00815.70
7.1.150.0070.00715.72
7.1.140.0090.00615.84
7.1.130.0000.01315.79
7.1.120.0070.00715.71
7.1.110.0000.01015.87
7.1.100.0130.00315.84
7.1.90.0080.00615.80
7.1.80.0030.00915.84
7.1.70.0060.00716.41
7.1.60.0090.00216.48
7.1.50.0090.00716.52
7.1.40.0060.00716.39
7.1.30.0070.00416.58
7.1.20.0050.00816.52
7.1.10.0050.00716.48
7.1.00.0030.00516.52
7.0.330.0000.01315.05
7.0.320.0100.00315.39
7.0.310.0000.01515.12
7.0.300.0070.01015.15
7.0.290.0060.00615.27
7.0.280.0110.00415.20
7.0.270.0120.00315.43
7.0.260.0040.01115.63
7.0.250.0000.01315.01
7.0.240.0030.00915.49
7.0.230.0000.01215.46
7.0.220.0060.00315.55
7.0.210.0070.01015.14
7.0.200.0060.00516.35
7.0.190.0020.00616.43
7.0.180.0040.00816.30
7.0.170.0030.00716.24
7.0.160.0060.00616.39
7.0.150.0030.00616.41
7.0.140.0050.00616.39
7.0.130.0060.00816.31
7.0.120.0040.00616.36
7.0.110.0110.00916.31
7.0.100.0060.00416.38
7.0.90.0060.00616.33
7.0.80.0030.01016.27
7.0.70.0070.00316.33
7.0.60.0080.00516.29
7.0.50.0070.00616.38
7.0.40.0010.00815.22
7.0.30.0050.00815.34
7.0.20.0020.00915.39
7.0.10.0060.00715.21
7.0.00.0040.00815.34
5.6.380.0030.01214.24

preferences:
42.53 ms | 400 KiB | 5 Q