3v4l.org

run code in 300+ PHP versions simultaneously
<?php //Source: https://bugs.php.net/bug.php?id=63898 $key = "Foo " . chr(163); $array = array($key => ""); print_r($array); $json = json_encode($array); echo $json."\n"; var_dump(json_decode($json), json_last_error(), json_last_error_msg());

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)
8.3.40.0120.00318.59
8.3.30.0140.00018.64
8.3.20.0050.00321.65
8.3.10.0030.00523.71
8.3.00.0040.00419.85
8.2.170.0070.00722.96
8.2.160.0000.01519.33
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0000.00822.12
8.2.120.0060.00326.35
8.2.110.0100.00620.33
8.2.100.0080.00320.48
8.2.90.0050.00317.75
8.2.80.0040.00418.28
8.2.70.0040.00417.93
8.2.60.0000.00918.05
8.2.50.0040.00418.10
8.2.40.0030.00520.55
8.2.30.0000.00918.12
8.2.20.0000.00717.74
8.2.10.0040.00418.14
8.2.00.0040.00418.09
8.1.270.0030.00624.01
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0100.01322.02
8.1.230.0080.00318.99
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0060.00317.36
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0050.00318.77
8.1.160.0030.00518.77
8.1.150.0000.00720.25
8.1.140.0090.00219.49
8.1.130.0030.00317.54
8.1.120.0050.00217.23
8.1.110.0000.00717.41
8.1.100.0050.00217.42
8.1.90.0040.00417.29
8.1.80.0040.00417.39
8.1.70.0030.00317.37
8.1.60.0040.00417.56
8.1.50.0000.00917.44
8.1.40.0000.00817.43
8.1.30.0000.00917.53
8.1.20.0030.00517.49
8.1.10.0040.00417.59
8.1.00.0040.00417.50
8.0.300.0070.00019.64
8.0.290.0030.00616.63
8.0.280.0040.00418.32
8.0.270.0000.00817.21
8.0.260.0070.00017.12
8.0.250.0000.00716.84
8.0.240.0050.00316.84
8.0.230.0000.00716.84
8.0.220.0050.00316.93
8.0.210.0040.00416.89
8.0.200.0030.00316.95
8.0.190.0070.00016.90
8.0.180.0050.00216.90
8.0.170.0000.00816.86
8.0.160.0040.00416.91
8.0.150.0040.00416.81
8.0.140.0040.00416.76
8.0.130.0000.00513.31
8.0.120.0080.00016.88
8.0.110.0000.00716.88
8.0.100.0040.00416.75
8.0.90.0000.00716.90
8.0.80.0070.00716.86
8.0.70.0040.00416.99
8.0.60.0030.00516.90
8.0.50.0040.00416.92
8.0.30.0130.00816.95
8.0.20.0120.00717.27
8.0.10.0090.01316.88
8.0.00.0160.00716.88
7.4.330.0050.00015.08
7.4.320.0060.00016.36
7.4.300.0000.00616.53
7.4.290.0030.00316.53
7.4.280.0060.00316.55
7.4.270.0050.00216.53
7.4.260.0030.00316.32
7.4.250.0040.00416.49
7.4.240.0050.00216.47
7.4.230.0070.00016.27
7.4.220.0180.00716.29
7.4.210.0120.00916.45
7.4.200.0000.00816.42
7.4.160.0100.00716.47
7.4.150.0130.01317.00
7.4.140.0100.00717.33
7.4.130.0070.01116.46
7.4.120.0080.01116.39
7.4.110.0090.00916.44
7.4.100.0070.01216.42
7.4.90.0130.00516.51
7.4.80.0110.00617.87
7.4.70.0070.00916.33
7.4.60.0090.00616.32
7.4.50.0050.01216.34
7.4.40.0090.01316.45
7.4.30.0100.00716.51
7.4.20.0050.01016.39
7.4.10.0120.00715.60
7.4.00.0050.01315.58
7.3.330.0050.00013.02
7.3.320.0000.00513.15
7.3.310.0070.00016.33
7.3.300.0060.00016.28
7.3.290.0090.00716.25
7.3.280.0090.00716.24
7.3.270.0100.00916.84
7.3.260.0110.00716.27
7.3.250.0090.00816.40
7.3.240.0120.00816.47
7.3.230.0100.00616.31
7.3.220.0100.00316.20
7.3.210.0080.01016.23
7.3.200.0090.00616.25
7.3.190.0140.00516.26
7.3.180.0110.00816.20
7.3.170.0090.01116.34
7.3.160.0070.01216.40
7.3.150.0160.00016.14
7.3.140.0130.00516.21
7.3.130.0050.01115.41
7.3.120.0110.00715.47
7.3.110.0120.00415.51
7.3.100.0120.00315.56
7.3.90.0050.00915.65
7.3.80.0030.01015.65
7.3.70.0050.00615.51
7.3.60.0100.00515.51
7.3.50.0070.01115.57
7.3.40.0130.00315.46
7.3.30.0070.00915.69
7.3.20.0030.01316.54
7.3.10.0040.01016.52
7.3.00.0080.01016.55
7.2.340.0090.00616.38
7.2.330.0110.00916.37
7.2.320.0170.00616.52
7.2.310.0150.00516.47
7.2.300.0140.00516.51
7.2.290.0090.00716.39
7.2.280.0090.01116.25
7.2.270.0100.00516.37
7.2.260.0050.01415.61
7.2.250.0040.01215.55
7.2.240.0120.00415.47
7.2.230.0080.01015.55
7.2.220.0150.00515.69
7.2.210.0070.00715.60
7.2.200.0070.00715.76
7.2.190.0100.01015.78
7.2.180.0080.00615.71
7.2.170.0120.00615.75
7.2.160.0090.00615.85
7.2.150.0100.00816.66
7.2.140.0100.00916.67
7.2.130.0080.00516.88
7.2.120.0070.00916.82
7.2.110.0050.01016.79
7.2.100.0090.00416.81
7.2.90.0110.00416.86
7.2.80.0050.01016.72
7.2.70.0070.00616.80
7.2.60.0050.01016.79
7.2.50.0090.00616.76
7.2.40.0080.00716.72
7.2.30.0120.00716.92
7.2.20.0120.00816.93
7.2.10.0070.01116.81
7.2.00.0110.00817.51
7.1.330.0120.00815.61
7.1.320.0150.00815.78
7.1.310.0160.00915.58
7.1.300.0110.01115.62
7.1.290.0130.00615.69
7.1.280.0130.00815.67
7.1.270.0160.00515.72
7.1.260.0060.01115.63
7.1.250.0100.00515.71
7.1.240.0210.00815.66
7.1.230.0210.01115.67
7.1.220.0140.00915.56
7.1.210.0090.01315.74
7.1.200.0080.00915.75
7.1.190.0110.00615.44
7.1.180.0130.00715.73
7.1.170.0150.00615.54
7.1.160.0110.01215.56
7.1.150.0780.00615.48
7.1.140.0060.01115.60
7.1.130.0120.00815.64
7.1.120.0120.01015.69
7.1.110.0120.00815.64
7.1.100.0060.01116.44
7.1.90.0090.00715.62
7.1.80.0110.00815.69
7.1.70.0080.00816.15
7.1.60.0060.00816.99
7.1.50.0170.00716.20
7.1.40.0120.00815.59
7.1.30.0140.00715.52
7.1.20.0080.01115.68
7.1.10.0160.00715.61
7.1.00.0110.02917.78
7.0.330.0180.00815.31
7.0.320.0100.01215.34
7.0.310.0110.00715.35
7.0.300.0080.01215.39
7.0.290.0110.01215.41
7.0.280.0130.00515.34
7.0.270.0060.01515.26
7.0.260.0130.00615.32
7.0.250.0100.00815.49
7.0.240.0110.00915.30
7.0.230.0080.01215.50
7.0.220.0140.00615.42
7.0.210.0190.00215.21
7.0.200.0120.00715.18
7.0.190.0140.00315.29
7.0.180.0120.00515.31
7.0.170.0060.01115.34
7.0.160.0080.01315.36
7.0.150.0110.00915.36
7.0.140.0120.00815.44
7.0.130.0110.00815.22
7.0.120.0130.00715.32
7.0.110.0150.00615.41
7.0.100.0090.01015.44
7.0.90.0150.02916.86
7.0.80.0110.03416.75
7.0.70.0100.03216.92
7.0.60.0120.02816.79
7.0.50.0140.03217.04
7.0.40.0150.02116.42
7.0.30.0120.03116.33
7.0.20.0080.02716.30
7.0.10.0120.02616.30
7.0.00.0110.02416.32
5.6.400.0150.00815.07
5.6.390.0100.01115.09
5.6.380.0160.00615.10
5.6.370.0070.01115.06
5.6.360.0090.01014.93
5.6.350.0110.01015.17
5.6.340.0070.01114.97
5.6.330.0120.00915.18
5.6.320.0140.00815.16
5.6.310.0040.01414.92
5.6.300.0140.00815.15
5.6.290.0170.00415.21
5.6.280.0130.00714.99
5.6.270.0110.01115.19
5.6.260.0180.00014.91
5.6.250.0120.01115.06
5.6.240.0090.03316.85
5.6.230.0110.03216.87
5.6.220.0120.02616.93
5.6.210.0120.03217.14
5.6.200.0110.02917.15
5.6.190.0120.02416.99
5.6.180.0120.02317.11
5.6.170.0140.02917.24
5.6.160.0140.02317.08
5.6.150.0080.03017.20
5.6.140.0090.03117.20
5.6.130.0130.03017.22
5.6.120.0130.02717.05
5.6.110.0130.03117.08
5.6.100.0130.02717.09
5.6.90.0110.03016.96
5.6.80.0100.02416.84
5.6.70.0130.02416.81
5.6.60.0130.02416.90
5.6.50.0110.02216.82
5.6.40.0070.03016.85
5.6.30.0100.02616.93
5.6.20.0150.02016.82
5.6.10.0120.02916.83
5.6.00.0120.03116.82

preferences:
46.59 ms | 400 KiB | 5 Q