3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(); if(empty($a)) echo 'empty'; // 一个有效的 json 字符串 $json [] = '{"Organization": "PHP Documentation Team"}' ; // 一个无效的 json 字符串会导致一个语法错误,在这个例子里我们使用 ' 代替了 " 作为引号 $json [] = "{'Organization': 'PHP Documentation Team'}" ; foreach ( $json as $string ) { echo 'Decoding: ' . $string ; json_decode ( $string ); switch ( json_last_error ()) { case JSON_ERROR_NONE : echo ' - No errors' ; break; case JSON_ERROR_DEPTH : echo ' - Maximum stack depth exceeded' ; break; case JSON_ERROR_STATE_MISMATCH : echo ' - Underflow or the modes mismatch' ; break; case JSON_ERROR_CTRL_CHAR : echo ' - Unexpected control character found' ; break; case JSON_ERROR_SYNTAX : echo ' - Syntax error, malformed JSON' ; break; case JSON_ERROR_UTF8 : echo ' - Malformed UTF-8 characters, possibly incorrectly encoded' ; break; default: echo ' - Unknown error' ; break; } echo PHP_EOL ; }

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)
8.3.60.0160.00318.43
8.3.50.0100.00821.98
8.3.40.0000.01418.82
8.3.30.0150.00319.09
8.3.20.0040.00420.21
8.3.10.0040.00421.92
8.3.00.0040.00422.38
8.2.180.0140.00416.63
8.2.170.0070.01022.96
8.2.160.0100.00319.21
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0130.00626.16
8.2.120.0120.00017.63
8.2.110.0060.00319.28
8.2.100.0110.00017.84
8.2.90.0000.00817.88
8.2.80.0090.00018.91
8.2.70.0040.00417.50
8.2.60.0050.00317.75
8.2.50.0070.00017.80
8.2.40.0040.00419.66
8.2.30.0000.00718.00
8.2.20.0080.00017.72
8.2.10.0040.00417.69
8.2.00.0040.00417.61
8.1.280.0070.00725.92
8.1.270.0040.00421.80
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00318.96
8.1.230.0090.00320.88
8.1.220.0050.00318.52
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0030.00517.22
8.1.180.0060.00318.10
8.1.170.0070.00017.62
8.1.160.0000.00822.01
8.1.150.0040.00418.70
8.1.140.0040.00417.45
8.1.130.0070.00017.82
8.1.120.0040.00417.38
8.1.110.0030.00617.37
8.1.100.0060.00317.42
8.1.90.0040.00417.33
8.1.80.0030.00317.34
8.1.70.0030.00317.32
8.1.60.0030.00617.53
8.1.50.0000.00717.55
8.1.40.0030.00617.46
8.1.30.0040.00417.52
8.1.20.0070.00017.69
8.1.10.0040.00417.55
8.1.00.0060.00317.37
8.0.300.0040.00418.77
8.0.290.0030.00516.63
8.0.280.0070.00018.45
8.0.270.0000.00717.27
8.0.260.0000.00716.83
8.0.250.0070.00016.84
8.0.240.0030.00616.91
8.0.230.0000.00717.02
8.0.220.0050.00216.90
8.0.210.0030.00316.79
8.0.200.0000.00616.93
8.0.190.0070.00016.89
8.0.180.0000.00716.87
8.0.170.0040.00416.84
8.0.160.0000.00816.75
8.0.150.0070.00016.73
8.0.140.0000.00816.70
8.0.130.0000.00613.28
8.0.120.0050.00316.84
8.0.110.0040.00416.80
8.0.100.0050.00316.74
8.0.90.0000.00716.79
8.0.80.0070.00716.87
8.0.70.0040.00416.96
8.0.60.0040.00416.95
8.0.50.0000.00716.76
8.0.30.0050.01317.12
8.0.20.0120.00717.40
8.0.10.0040.00416.97
8.0.00.0060.01516.59
7.4.330.0000.00515.15
7.4.320.0030.00316.50
7.4.300.0060.00016.48
7.4.290.0070.00016.39
7.4.280.0000.00716.41
7.4.270.0030.00316.60
7.4.260.0050.00216.60
7.4.250.0040.00416.46
7.4.240.0020.00516.63
7.4.230.0030.00316.41
7.4.220.0070.01016.49
7.4.210.0120.00616.50
7.4.200.0000.00716.34
7.4.190.0030.00616.66
7.4.160.0060.01616.60
7.4.150.0160.00317.40
7.4.140.0150.00417.86
7.4.130.0090.00916.47
7.4.120.0130.00816.52
7.4.110.0120.00416.48
7.4.100.0100.00716.39
7.4.90.0090.00816.47
7.4.80.0120.00619.39
7.4.70.0090.01216.33
7.4.60.0090.00616.52
7.4.50.0090.00016.59
7.4.40.0070.00722.77
7.4.30.0190.00016.59
7.4.00.0090.00615.21
7.3.330.0000.00613.19
7.3.320.0050.00012.99
7.3.310.0040.00416.36
7.3.300.0030.00316.22
7.3.290.0110.00316.24
7.3.280.0110.00516.25
7.3.270.0030.01517.40
7.3.260.0100.00716.14
7.3.250.0100.01416.44
7.3.240.0060.01216.49
7.3.230.0170.00016.41
7.3.210.0120.00416.35
7.3.200.0100.00819.39
7.3.190.0200.00016.51
7.3.180.0120.00816.30
7.3.170.0060.00916.54
7.3.160.0090.00916.46
7.3.120.0090.00615.00
7.3.10.0080.00416.68
7.3.00.0000.00816.41
7.2.330.0060.01216.77
7.2.320.0040.01816.76
7.2.310.0090.00916.55
7.2.300.0120.00616.45
7.2.290.0130.00316.74
7.2.130.0030.00516.80
7.2.120.0030.00616.52
7.2.110.0040.00416.80
7.2.100.0060.00616.79
7.2.90.0000.01117.02
7.2.80.0030.00716.95
7.2.70.0030.00716.95
7.2.60.0040.00816.78
7.2.50.0060.00616.88
7.2.40.0070.00716.74
7.2.30.0090.00316.65
7.2.20.0030.01016.78
7.2.10.0040.00716.63
7.2.00.0060.00618.19
7.1.250.0110.00315.61
7.1.100.0000.01118.05
7.1.70.0050.00317.17
7.1.60.0100.01319.82
7.1.50.0030.02016.97
7.1.00.0030.07722.45
7.0.200.0050.00316.62
7.0.140.0000.07722.21
7.0.60.0100.08319.94
7.0.50.0070.08017.92
7.0.40.0030.09020.04
7.0.30.0130.04720.13
7.0.20.0170.06020.00
7.0.10.0100.07320.30
7.0.00.0170.08020.18
5.6.280.0130.06020.82
5.6.210.0030.09020.71
5.6.200.0070.08018.15
5.6.190.0030.08020.35
5.6.180.0300.07720.39
5.6.170.0230.04020.50
5.6.160.0100.08020.40
5.6.150.0170.07018.16
5.6.140.0070.08718.12
5.6.130.0070.08318.20
5.6.120.0200.06321.02
5.6.110.0070.08321.01
5.6.100.0130.07320.97
5.6.90.0130.04321.00
5.6.80.0100.07320.37
5.6.70.0100.06020.37
5.5.350.0070.07720.44
5.5.340.0070.07318.02
5.5.330.0030.08320.13
5.5.320.0400.07720.19
5.5.310.0200.05720.31
5.5.300.0000.04717.88
5.5.290.0030.05718.01
5.5.280.0000.06020.65
5.5.270.0070.04020.77
5.5.260.0100.08020.89
5.5.250.0070.07320.66
5.5.240.0100.07020.16
5.4.450.0100.05719.41
5.4.440.0900.06719.27
5.4.430.0530.07319.57
5.4.420.0630.05319.46
5.4.410.0170.05019.00
5.4.400.0770.06019.21
5.4.390.0970.07019.14
5.4.380.0330.04018.72
5.4.370.0200.05318.50
5.4.360.0300.04018.69
5.4.350.0270.04718.61
5.4.340.0200.05318.56
5.4.320.0040.03912.46
5.4.310.0050.04512.46
5.4.300.0070.03712.46
5.4.290.0080.04112.45
5.4.280.0060.03712.36
5.4.270.0060.03512.35
5.4.260.0200.04718.93
5.4.250.0100.05018.85
5.4.240.0070.05718.73
5.4.230.0170.05018.95
5.4.220.0100.05318.85
5.4.210.0300.08018.83
5.4.200.0170.04318.79
5.4.190.0000.06318.97
5.4.180.0100.05718.69
5.4.170.0070.05318.83
5.4.160.0070.06018.63
5.4.150.0200.04718.93
5.4.140.0100.04716.30
5.4.130.0130.04316.30
5.4.120.0270.03716.48
5.4.110.0130.04316.34
5.4.100.0130.04316.41
5.4.90.0130.04716.29
5.4.80.0100.07016.19
5.4.70.0070.05316.35
5.4.60.0070.05316.47
5.4.50.0030.05316.21
5.4.40.0100.06316.52
5.4.30.0170.04016.22
5.4.20.0070.05016.31
5.4.10.0070.05016.49
5.4.00.0070.05715.76
5.3.290.0100.04512.80
5.3.280.0200.05014.44
5.3.270.0170.05314.70
5.3.260.0100.05714.63
5.3.250.0070.05014.52
5.3.240.0070.05314.61
5.3.230.0100.05014.61
5.3.220.0170.04314.63
5.3.210.0100.07714.45
5.3.200.0170.04014.59
5.3.190.0100.05014.59
5.3.180.0030.08314.62
5.3.170.0100.07014.44
5.3.160.0200.06314.59
5.3.150.0130.07314.34
5.3.140.0170.04314.57
5.3.130.0100.05314.65
5.3.120.0030.08014.27
5.3.110.0000.06014.39
5.3.100.0100.06313.89
5.3.90.0030.05314.04
5.3.80.0100.04713.80
5.3.70.0130.06314.07
5.3.60.0100.05014.06
5.3.50.0030.05014.00
5.3.40.0100.04713.73
5.3.30.0100.06013.93
5.3.20.0000.05313.71
5.3.10.0000.06013.66
5.3.00.0100.05013.69
5.2.170.0000.04311.11
5.2.160.0000.04310.99
5.2.150.0030.04311.08
5.2.140.0000.04711.16
5.2.130.0100.05711.02
5.2.120.0030.04011.27
5.2.110.0030.04011.13
5.2.100.0030.04311.12
5.2.90.0070.03711.22
5.2.80.0100.04011.11
5.2.70.0130.03711.00
5.2.60.0100.04310.98
5.2.50.0030.04311.04
5.2.40.0070.04010.94
5.2.30.0100.04011.09
5.2.20.0130.04710.82
5.2.10.0070.05310.79
5.2.00.0000.04310.63
5.1.60.0030.03310.16
5.1.50.0000.03710.05
5.1.40.0070.0439.86
5.1.30.0130.03710.55
5.1.20.0170.04010.30
5.1.10.0130.0279.85
5.1.00.0070.03310.23
5.0.50.0100.0308.48
5.0.40.0100.0208.65
5.0.30.0030.0438.00
5.0.20.0100.0208.26
5.0.10.0030.0278.33
5.0.00.0070.0508.26
4.4.90.0000.0236.58
4.4.80.0070.0176.58
4.4.70.0000.0336.58
4.4.60.0000.0336.58
4.4.50.0000.0276.58
4.4.40.0000.0376.58
4.4.30.0030.0206.58
4.4.20.0070.0276.58
4.4.10.0000.0236.58
4.4.00.0000.0376.58
4.3.110.0030.0276.58
4.3.100.0070.0276.58
4.3.90.0000.0236.58
4.3.80.0070.0306.58
4.3.70.0030.0206.58
4.3.60.0070.0306.58
4.3.50.0070.0206.58
4.3.40.0000.0376.58
4.3.30.0030.0306.58
4.3.20.0030.0206.58
4.3.10.0000.0236.58
4.3.00.0030.0237.56

preferences:
49.27 ms | 401 KiB | 5 Q