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_last_error(); echo $json."\n"; print_r(json_decode($json));

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)
8.3.60.0090.01218.30
8.3.50.0130.00522.05
8.3.40.0100.01018.50
8.3.30.0030.01119.22
8.3.20.0080.00020.34
8.3.10.0030.00621.92
8.3.00.0080.00022.43
8.2.180.0140.00716.38
8.2.170.0070.00722.96
8.2.160.0100.00719.13
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.27
8.2.110.0100.00022.31
8.2.100.0100.00517.75
8.2.90.0040.00419.40
8.2.80.0000.00817.97
8.2.70.0050.00317.71
8.2.60.0050.00317.93
8.2.50.0080.00018.07
8.2.40.0000.00818.34
8.2.30.0030.00518.12
8.2.20.0040.00417.59
8.2.10.0080.00017.72
8.2.00.0020.00517.80
8.1.280.0130.00725.92
8.1.270.0030.00522.05
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00318.86
8.1.230.0040.00717.83
8.1.220.0060.00317.78
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0060.00317.53
8.1.180.0040.00418.69
8.1.170.0030.00518.45
8.1.160.0070.00021.86
8.1.150.0070.00018.45
8.1.140.0080.00017.37
8.1.130.0000.00817.65
8.1.120.0040.00417.45
8.1.110.0030.00617.25
8.1.100.0030.00417.28
8.1.90.0080.00017.41
8.1.80.0000.00717.44
8.1.70.0030.00317.41
8.1.60.0000.00717.35
8.1.50.0040.00417.45
8.1.40.0040.00417.42
8.1.30.0050.00217.54
8.1.20.0040.00417.43
8.1.10.0000.00817.45
8.1.00.0040.00417.50
8.0.300.0000.00718.77
8.0.290.0050.00317.16
8.0.280.0040.00418.43
8.0.270.0000.00717.22
8.0.260.0030.00316.77
8.0.250.0030.00316.92
8.0.240.0070.00016.91
8.0.230.0030.00616.93
8.0.220.0000.00716.87
8.0.210.0070.00016.84
8.0.200.0030.00316.94
8.0.190.0000.00816.91
8.0.180.0030.00316.81
8.0.170.0070.00016.89
8.0.160.0000.00816.87
8.0.150.0000.00716.82
8.0.140.0040.00416.89
8.0.130.0000.00513.36
8.0.120.0030.00516.74
8.0.110.0000.00816.71
8.0.100.0030.00316.78
8.0.90.0080.00016.73
8.0.80.0090.00616.84
8.0.70.0000.00716.77
8.0.60.0040.00416.88
8.0.50.0080.00016.86
8.0.30.0080.01016.98
8.0.20.0140.00717.40
8.0.10.0030.00316.94
8.0.00.0120.00916.69
7.4.330.0000.00515.13
7.4.320.0060.00016.49
7.4.300.0030.00316.52
7.4.290.0040.00416.42
7.4.280.0000.00716.50
7.4.270.0000.00716.46
7.4.260.0000.00716.31
7.4.250.0000.00816.50
7.4.240.0020.00516.42
7.4.230.0000.00716.64
7.4.220.0130.00716.41
7.4.210.0080.01116.49
7.4.200.0030.00316.56
7.4.190.0040.00416.68
7.4.160.0030.01316.43
7.4.150.0000.01717.40
7.4.140.0090.00917.86
7.4.130.0100.00816.49
7.4.120.0120.00516.50
7.4.110.0110.00816.45
7.4.100.0080.00816.58
7.4.90.0100.00716.55
7.4.80.0150.00619.39
7.4.70.0070.01416.55
7.4.60.0140.00716.42
7.4.50.0040.00416.23
7.4.40.0030.01322.77
7.4.30.0100.00616.43
7.4.00.0020.01414.93
7.3.330.0020.00213.18
7.3.320.0000.00513.15
7.3.310.0070.00016.20
7.3.300.0030.00316.17
7.3.290.0120.00316.25
7.3.280.0070.00916.24
7.3.270.0080.00817.40
7.3.260.0100.00716.37
7.3.250.0160.00316.31
7.3.240.0130.00716.66
7.3.230.0090.00916.39
7.3.210.0030.01516.30
7.3.200.0130.00619.39
7.3.190.0090.00916.18
7.3.180.0040.01116.34
7.3.170.0140.00316.36
7.3.160.0030.01316.23
7.3.120.0050.01214.70
7.3.110.0090.00714.72
7.3.100.0080.00914.95
7.3.90.0060.00714.73
7.3.80.0070.00714.79
7.3.70.0060.00714.79
7.3.60.0050.01014.79
7.3.50.0090.00814.72
7.3.40.0070.00914.73
7.3.30.0080.00514.68
7.3.20.0030.01016.69
7.3.10.0090.00516.77
7.3.00.0070.00716.75
7.2.330.0070.01116.48
7.2.320.0120.00616.66
7.2.310.0130.00316.69
7.2.300.0100.00616.61
7.2.290.0140.00616.77
7.2.250.0060.01314.89
7.2.240.0080.00815.07
7.2.230.0080.00515.18
7.2.220.0060.00915.01
7.2.210.0030.01015.12
7.2.200.0060.00714.85
7.2.190.0050.00814.91
7.2.180.0020.01415.13
7.2.170.0050.01115.09
7.2.160.0060.01215.14
7.2.150.0070.00416.95
7.2.140.0070.00716.81
7.2.130.0040.00716.93
7.2.120.0000.01316.89
7.2.110.0090.00316.77
7.2.100.0040.01116.54
7.2.90.0040.00816.92
7.2.80.0100.00616.73
7.2.70.0000.01116.99
7.2.60.0070.00716.75
7.2.50.0030.01316.87
7.2.40.0040.01116.93
7.2.30.0060.00317.03
7.2.20.0070.01116.85
7.2.10.0070.01117.07
7.2.00.0030.00617.09
7.1.330.0080.00915.72
7.1.320.0090.00616.01
7.1.310.0030.00915.78
7.1.300.0030.00815.76
7.1.290.0040.01215.79
7.1.280.0000.01115.70
7.1.270.0050.00515.74
7.1.260.0060.00615.73
7.1.250.0090.00315.87
7.1.240.0070.00715.63
7.1.230.0060.00915.86
7.1.220.0040.01115.50
7.1.210.0040.00715.88
7.1.200.0050.00915.74
7.1.190.0060.00615.95
7.1.180.0040.00415.71
7.1.170.0030.00715.61
7.1.160.0030.00915.77
7.1.150.0060.00915.96
7.1.140.0070.01015.87
7.1.130.0090.00615.88
7.1.120.0000.00815.57
7.1.110.0060.01015.83
7.1.100.0020.01215.90
7.1.90.0040.00815.92
7.1.80.0060.00915.71
7.1.70.0010.00916.40
7.1.60.0120.00717.83
7.1.50.0040.00916.28
7.1.40.0080.00315.56
7.1.30.0040.01115.99
7.1.20.0110.00315.55
7.1.10.0110.00315.80
7.1.00.0030.04319.01
7.0.330.0070.00315.22
7.0.320.0000.00815.43
7.0.310.0060.00615.44
7.0.300.0050.00215.36
7.0.290.0100.00615.23
7.0.280.0000.01215.30
7.0.270.0030.00915.50
7.0.260.0030.00715.43
7.0.250.0080.00315.24
7.0.240.0060.00615.53
7.0.230.0090.00015.48
7.0.220.0030.00615.43
7.0.210.0090.00015.24
7.0.200.0050.00616.05
7.0.190.0060.00615.46
7.0.180.0030.01015.55
7.0.170.0120.00015.49
7.0.160.0060.01015.42
7.0.150.0000.00815.45
7.0.140.0070.03718.72
7.0.130.0030.01315.52
7.0.120.0080.00015.41
7.0.110.0090.00615.33
7.0.100.0070.00715.48
7.0.90.0310.03917.63
7.0.80.0190.03217.69
7.0.70.0290.02817.68
7.0.60.0310.04317.70
7.0.50.0330.04317.93
7.0.40.0100.04216.72
7.0.30.0050.04916.72
7.0.20.0070.02316.89
7.0.10.0070.03216.73
7.0.00.0050.04516.79
5.6.400.0040.01114.13
5.6.390.0000.01014.50
5.6.380.0040.00414.48
5.6.370.0040.00714.25
5.6.360.0140.00014.66
5.6.350.0040.00714.53
5.6.340.0000.01414.35
5.6.330.0040.01113.98
5.6.320.0000.01614.43
5.6.310.0060.01013.85
5.6.300.0000.01014.18
5.6.290.0070.00314.24
5.6.280.0030.04117.57
5.6.270.0040.00914.02
5.6.260.0030.01214.17
5.6.250.0090.00614.30
5.6.240.0060.00614.37
5.6.230.0050.03017.50
5.6.220.0110.03817.44
5.6.210.0080.02317.42
5.6.200.0050.04317.77
5.6.190.0100.04217.63
5.6.180.0100.04017.77
5.6.170.0050.04617.65
5.6.160.0020.02717.70
5.6.150.0020.04917.68
5.6.140.0100.04217.69
5.6.130.0070.04517.51
5.6.120.0050.04017.76
5.6.110.0050.02717.70
5.6.100.0030.04517.67
5.6.90.0050.03117.68
5.6.80.0130.03517.29
5.6.70.0060.02717.27
5.6.60.0070.04317.20
5.6.50.0070.04217.30
5.6.40.0060.04517.38
5.6.30.0050.03017.38
5.6.20.0070.04017.37
5.6.10.0080.04217.20
5.6.00.0100.03517.27
5.5.380.0030.01014.45
5.5.370.0080.03617.49
5.5.360.0100.04517.32
5.5.350.0100.02517.25
5.5.340.0080.04517.58
5.5.330.0100.04017.65
5.5.320.0050.03017.47
5.5.310.0080.04017.57
5.5.300.0050.04717.63
5.5.290.0110.04117.55
5.5.280.0070.04517.63
5.5.270.0020.03717.45
5.5.260.0050.04617.47
5.5.250.0030.04517.39
5.5.240.0020.02917.29
5.5.230.0040.02717.07
5.5.220.0080.03617.09
5.5.210.0080.02717.12
5.5.200.0080.04417.25
5.5.190.0030.03417.25
5.5.180.0060.02817.27
5.5.170.0070.00313.98
5.5.160.0110.04017.18
5.5.150.0020.04217.26
5.5.140.0050.03917.15
5.5.130.0050.04417.19
5.5.120.0030.04217.21
5.5.110.0060.03817.12
5.5.100.0050.04517.10
5.5.90.0050.02517.19
5.5.80.0070.03817.17
5.5.70.0100.03717.00
5.5.60.0020.02917.09
5.5.50.0030.04117.22
5.5.40.0110.03717.07
5.5.30.0060.04317.09
5.5.20.0090.02717.21
5.5.10.0090.03817.16
5.5.00.0050.04317.15
5.4.450.0090.03715.56
5.4.440.0050.04215.66
5.4.430.0080.03915.60
5.4.420.0080.03815.54
5.4.410.0030.04315.41
5.4.400.0060.03815.45
5.4.390.0050.04015.31
5.4.380.0070.03715.45
5.4.370.0050.04015.48
5.4.360.0030.02915.48
5.4.350.0040.02715.46
5.4.340.0030.02615.46
5.4.330.0080.00311.85
5.4.320.0090.03915.42
5.4.310.0020.03715.44
5.4.300.0090.02615.37
5.4.290.0050.03815.43
5.4.280.0050.04015.33
5.4.270.0090.03015.46
5.4.260.0070.03615.46
5.4.250.0030.02815.42
5.4.240.0070.02615.41
5.4.230.0030.04015.49
5.4.220.0030.04215.31
5.4.210.0070.03515.54
5.4.200.0080.03815.45
5.4.190.0030.03415.45
5.4.180.0070.03915.40
5.4.170.0020.02515.48
5.4.160.0090.03315.46
5.4.150.0050.02215.38
5.4.140.0020.04214.04
5.4.130.0040.02013.93
5.4.120.0110.03314.08
5.4.110.0030.03314.13
5.4.100.0070.02414.09
5.4.90.0060.01914.03
5.4.80.0030.04014.10
5.4.70.0070.03514.10
5.4.60.0080.03714.13
5.4.50.0070.03914.13
5.4.40.0070.03514.14
5.4.30.0080.03814.07
5.4.20.0050.02814.06
5.4.10.0080.02814.02
5.4.00.0070.03313.79
5.3.290.0050.02313.26
5.3.280.0030.03813.21
5.3.270.0000.02913.22
5.3.260.0030.04213.20
5.3.250.0050.04013.19
5.3.240.0050.02613.23
5.3.230.0080.03913.21
5.3.220.0050.04013.21
5.3.210.0030.03013.15
5.3.200.0030.02713.21
5.3.190.0030.04413.14
5.3.180.0050.03513.16
5.3.170.0050.04213.20
5.3.160.0050.02313.20
5.3.150.0060.03313.12
5.3.140.0140.03513.18
5.3.130.0030.02713.11
5.3.120.0050.03513.13
5.3.110.0030.02313.12
5.3.100.0070.03812.86
5.3.90.0100.03512.91
5.3.80.0020.02612.86
5.3.70.0050.03712.93
5.3.60.0080.02012.90
5.3.50.0050.04212.85
5.3.40.0120.01812.78
5.3.30.0000.03912.81
5.3.20.0050.03812.77
5.3.10.0030.03912.63
5.3.00.0040.04012.71
5.2.170.0030.03711.16
5.2.160.0130.05011.18
5.2.150.0030.06710.93
5.2.140.0030.06311.14
5.2.130.0030.03710.85
5.2.120.0030.06011.12
5.2.110.0100.05710.95
5.2.100.0030.06011.10
5.2.90.0070.06011.11
5.2.80.0030.06311.15
5.2.70.0030.06011.14
5.2.60.0030.06710.84
5.2.50.0030.06010.86
5.2.40.0000.06310.85
5.2.30.0070.03710.80
5.2.20.0000.04710.95
5.2.10.0070.03710.88
5.2.00.0130.02710.75
5.1.60.0100.05010.00
5.1.50.0030.0479.82
5.1.40.0000.0339.97
5.1.30.0100.04710.40
5.1.20.0070.05710.27
5.1.10.0070.05010.02
5.1.00.0030.0409.91
5.0.50.0170.0338.54
5.0.40.0070.0408.48
5.0.30.0070.0478.10
5.0.20.0070.0438.18
5.0.10.0100.0378.05
5.0.00.0030.0678.14
4.4.90.0030.0337.28
4.4.80.0000.0407.28
4.4.70.0000.0377.28
4.4.60.0100.0177.28
4.4.50.0000.0207.28
4.4.40.0030.0537.28
4.4.30.0000.0207.28
4.4.20.0070.0307.28
4.4.10.0000.0337.28
4.4.00.0170.0407.28
4.3.110.0000.0377.28
4.3.100.0030.0337.28
4.3.90.0030.0277.28
4.3.80.0070.0537.28
4.3.70.0000.0377.28
4.3.60.0030.0337.28
4.3.50.0070.0307.28
4.3.40.0030.0437.28
4.3.30.0000.0377.28
4.3.20.0030.0377.28
4.3.10.0000.0207.28
4.3.00.0030.0237.28

preferences:
37.74 ms | 401 KiB | 5 Q