3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('<foo>',"'bar'",'"baz"','&blong&', "\xc3\xa9"); echo "Normal: ", json_encode($a), "\n"; echo "Tags: ", json_encode($a, JSON_HEX_TAG), "\n"; echo "Apos: ", json_encode($a, JSON_HEX_APOS), "\n"; echo "Quot: ", json_encode($a, JSON_HEX_QUOT), "\n"; echo "Amp: ", json_encode($a, JSON_HEX_AMP), "\n"; echo "Unicode: ", json_encode($a, JSON_UNESCAPED_UNICODE), "\n"; echo "All: ", json_encode($a, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_QUOT | JSON_HEX_AMP | JSON_UNESCAPED_UNICODE), "\n\n"; $b = array(); echo "Empty array output as array: ", json_encode($b), "\n"; echo "Empty array output as object: ", json_encode($b, JSON_FORCE_OBJECT), "\n\n"; $c = array(array(1,2,3)); echo "Non-associative array output as array: ", json_encode($c), "\n"; echo "Non-associative array output as object: ", json_encode($c, JSON_FORCE_OBJECT), "\n\n"; $d = array('foo' => 'bar', 'baz' => 'long'); echo "Associative array always output as object: ", json_encode($d), "\n"; echo "Associative array always output as object: ", json_encode($d, JSON_FORCE_OBJECT), "\n\n";

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)
8.3.70.0110.00416.50
8.3.60.0190.00318.15
8.3.50.0090.00916.50
8.3.40.0110.00418.72
8.3.30.0110.00418.72
8.3.20.0030.00520.93
8.3.10.0040.00423.62
8.3.00.0100.00021.94
8.2.190.0170.00018.11
8.2.180.0070.01116.50
8.2.170.0060.01322.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0070.00724.66
8.2.130.0080.00020.47
8.2.120.0000.00826.35
8.2.110.0030.00620.97
8.2.100.0070.00417.84
8.2.90.0040.00418.09
8.2.80.0040.00417.97
8.2.70.0080.00018.05
8.2.60.0030.00618.22
8.2.50.0050.00318.10
8.2.40.0030.00821.02
8.2.30.0040.00419.26
8.2.20.0000.00818.02
8.2.10.0000.00717.93
8.2.00.0050.00319.36
8.1.280.0120.00325.92
8.1.270.0040.00420.69
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0140.00722.32
8.1.230.0040.00820.90
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00417.22
8.1.190.0050.00317.23
8.1.180.0060.00318.10
8.1.170.0000.00818.50
8.1.160.0040.00418.85
8.1.150.0040.00420.60
8.1.140.0030.00322.13
8.1.130.0080.00017.41
8.1.120.0040.00417.41
8.1.110.0000.00717.41
8.1.100.0000.00917.44
8.1.90.0080.00017.31
8.1.80.0000.01117.42
8.1.70.0090.00217.41
8.1.60.0080.00517.45
8.1.50.0050.00717.46
8.1.40.0030.00917.35
8.1.30.0100.00317.58
8.1.20.0080.00517.61
8.1.10.0100.00317.46
8.1.00.0090.00317.46
8.0.300.0060.00319.95
8.0.290.0040.00416.58
8.0.280.0000.00718.47
8.0.270.0080.00417.11
8.0.260.0070.00016.84
8.0.250.0050.00316.89
8.0.240.0000.00616.95
8.0.230.0030.00316.90
8.0.220.0000.00716.79
8.0.210.0050.00216.73
8.0.200.0040.00716.91
8.0.190.0080.00416.85
8.0.180.0060.00616.87
8.0.170.0090.00316.76
8.0.160.0060.00516.85
8.0.150.0060.00616.73
8.0.140.0110.00016.81
8.0.130.0060.00514.96
8.0.120.0050.00716.83
8.0.110.0070.00416.80
8.0.100.0060.00516.69
8.0.90.0020.00916.76
8.0.80.0130.00616.81
8.0.70.0070.00416.74
8.0.60.0050.00616.73
8.0.50.0090.00316.85
8.0.30.0090.00916.91
8.0.20.0120.00717.05
8.0.10.0130.00616.83
8.0.00.0080.00916.81
7.4.330.0000.00516.56
7.4.320.0030.00316.52
7.4.300.0080.00316.55
7.4.290.0050.00516.56
7.4.280.0060.00416.46
7.4.270.0090.00216.51
7.4.260.0050.00516.49
7.4.250.0080.00516.51
7.4.240.0060.00516.46
7.4.230.0110.00216.61
7.4.220.0060.00516.55
7.4.210.0090.00616.50
7.4.200.0090.00216.45
7.4.190.0150.00016.43
7.4.180.0150.00016.50
7.4.160.0110.00616.49
7.4.150.0070.00716.46
7.4.140.0100.00917.43
7.4.130.0060.00816.48
7.4.120.0090.01116.42
7.4.110.0100.00916.46
7.4.100.0090.00916.42
7.4.90.0070.01016.38
7.4.80.0110.00317.40
7.4.70.0110.00616.39
7.4.60.0090.00716.49
7.4.50.0120.00416.29
7.4.40.0100.00616.27
7.4.30.0040.01016.40
7.4.20.0060.00816.35
7.4.10.0060.00816.44
7.4.00.0090.00615.69
7.3.330.0050.00514.52
7.3.320.0050.00614.63
7.3.310.0090.00216.16
7.3.300.0040.00816.16
7.3.290.0080.00316.06
7.3.280.0110.00616.11
7.3.270.0140.00316.20
7.3.260.0110.00716.35
7.3.250.0120.00516.10
7.3.240.0120.00716.20
7.3.230.0080.00916.17
7.3.220.0110.00616.14
7.3.210.0110.00616.10
7.3.200.0120.00716.11
7.3.190.0090.00616.18
7.3.180.0100.00916.19
7.3.170.0120.00416.15
7.3.160.0070.00916.09
7.3.150.0130.00216.18
7.3.140.0100.00516.11
7.3.130.0080.00615.96
7.3.120.0070.00915.55
7.3.110.0110.00415.64
7.3.100.0070.00715.63
7.3.90.0100.00715.80
7.3.80.0090.00515.59
7.3.70.0090.00915.38
7.3.60.0110.00415.41
7.3.50.0120.00715.41
7.3.40.0070.00915.44
7.3.30.0080.00715.40
7.3.20.0100.00716.37
7.3.10.0070.00816.35
7.3.00.0140.00716.33
7.2.340.0180.00616.33
7.2.330.0110.01016.40
7.2.320.0160.00516.20
7.2.310.0080.01316.32
7.2.300.0150.00716.29
7.2.290.0140.00716.36
7.2.280.0140.01216.31
7.2.270.0140.00716.15
7.2.260.0160.00616.18
7.2.250.0130.00615.79
7.2.240.0140.00915.71
7.2.230.0150.00615.76
7.2.220.0080.00815.67
7.2.210.0120.00615.78
7.2.200.0070.01015.61
7.2.190.0120.00815.68
7.2.180.0070.00915.63
7.2.170.0080.00715.64
7.2.160.0080.00815.87
7.2.150.0140.00716.47
7.2.140.0100.00816.59
7.2.130.0110.00916.62
7.2.120.0130.00916.64
7.2.110.0160.00716.72
7.2.100.0110.00916.66
7.2.90.0110.00916.48
7.2.80.0140.00516.47
7.2.70.0100.01016.47
7.2.60.0110.00816.53
7.2.50.0160.00416.53
7.2.40.0120.00916.57
7.2.30.0130.00416.66
7.2.20.0070.01316.67
7.2.10.0120.01016.65
7.2.00.0170.00716.61
7.1.330.0130.00516.07
7.1.320.0130.00616.25
7.1.310.0110.00816.11
7.1.300.0080.01115.62
7.1.290.0140.00515.66
7.1.280.0120.00515.51
7.1.270.0130.00615.63
7.1.260.0120.00615.46
7.1.250.0140.00415.49
7.1.240.0170.00715.48
7.1.230.0170.00815.60
7.1.220.0180.00615.47
7.1.210.0160.00715.56
7.1.200.0170.00515.55
7.1.190.0130.00815.59
7.1.180.0450.00715.53
7.1.170.0130.00615.54
7.1.160.0320.00415.54
7.1.150.0140.00515.52
7.1.140.0130.00815.57
7.1.130.0160.00515.46
7.1.120.0140.00715.31
7.1.110.0180.00515.49
7.1.100.0200.00215.47
7.1.90.0160.00515.50
7.1.80.0140.00715.45
7.1.70.0290.00915.35
7.1.60.0170.00415.43
7.1.50.0170.00615.57
7.1.40.0370.01015.43
7.1.30.0160.00415.57
7.1.20.0160.00715.42
7.1.10.0130.00815.42
7.1.00.0140.00915.43
7.0.330.0110.00815.04
7.0.320.0170.00315.94
7.0.310.0160.00415.94
7.0.300.0270.01016.00
7.0.290.0160.00215.94
7.0.280.0120.01115.92
7.0.270.0140.00516.06
7.0.260.0160.00515.95
7.0.250.0120.00816.23
7.0.240.0170.00416.05
7.0.230.0170.00716.21
7.0.220.0170.00516.21
7.0.210.0140.00516.24
7.0.200.0150.00616.06
7.0.190.0180.00416.20
7.0.180.0180.00216.22
7.0.170.0140.00616.10
7.0.160.0120.00916.10
7.0.150.0200.00016.07
7.0.140.0120.01016.07
7.0.130.0160.00516.23
7.0.120.0170.00516.20
7.0.110.0150.00616.05
7.0.100.0110.01016.09
7.0.90.0090.01115.97
7.0.80.0800.00716.06
7.0.70.0150.00415.97
7.0.60.0110.00715.99
7.0.50.0150.00315.90
7.0.40.0120.00616.04
7.0.30.0150.00415.95
7.0.20.0130.00715.94
7.0.10.0130.00616.11
7.0.00.0130.00615.92
5.6.400.0110.00615.31
5.6.390.0090.00815.30
5.6.380.0100.01015.29
5.6.370.0170.00515.72
5.6.360.0160.00415.82
5.6.350.0100.01015.73
5.6.340.0170.00615.77
5.6.330.0220.00315.76
5.6.320.0180.00415.80
5.6.310.0170.00415.74
5.6.300.0360.00515.72
5.6.290.0130.00815.87
5.6.280.0160.00315.83
5.6.270.0110.01315.80
5.6.260.0130.00815.65
5.6.250.0150.00715.80
5.6.240.0170.00515.73
5.6.230.0130.00815.99
5.6.220.0170.00215.89
5.6.210.0140.00515.91
5.6.200.0120.00816.01
5.6.190.0140.00515.95
5.6.180.0140.00615.79
5.6.170.0120.00715.96
5.6.160.0170.00515.84
5.6.150.0140.00815.96
5.6.140.0150.00715.83
5.6.130.0160.00515.91
5.6.120.0130.00615.75
5.6.110.0190.00115.76
5.6.100.0160.00515.89
5.6.90.0130.00715.73
5.6.80.0160.00315.72
5.6.70.0090.01215.88
5.6.60.0170.00515.89
5.6.50.0120.00815.82
5.6.40.0090.00915.84
5.6.30.0080.01015.82
5.6.20.0100.00715.65
5.6.10.0150.00515.59
5.6.00.0130.00615.72

preferences:
69.91 ms | 401 KiB | 5 Q