3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = array( "Sample" => array( "context" => "Comment appelle-t-on un petit morceau de pain long et fin que l'on trempe dans un \u0153uf \u00e0 la coque?" ) ); $encoded = json_encode($json); var_dump($encoded); $unescaped = preg_replace_callback('/\\\u(\w{4})/', function ($matches) { return html_entity_decode('&#x' . $matches[1] . ';', ENT_COMPAT, 'UTF-8'); }, $encoded); var_dump($unescaped);

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)
8.3.60.0110.00416.88
8.3.50.0110.01123.08
8.3.40.0090.00619.10
8.3.30.0130.00619.05
8.3.20.0080.00020.34
8.3.10.0080.00023.48
8.3.00.0000.00817.84
8.2.180.0040.01216.88
8.2.170.0060.00922.96
8.2.160.0100.00320.52
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00421.22
8.2.110.0000.00822.38
8.2.100.0060.00618.03
8.2.90.0040.00419.18
8.2.80.0040.00417.97
8.2.70.0090.00017.75
8.2.60.0060.00318.05
8.2.50.0060.00318.07
8.2.40.0070.00018.16
8.2.30.0000.00718.16
8.2.20.0000.00817.83
8.2.10.0050.00218.08
8.2.00.0000.00718.02
8.1.280.0110.00725.92
8.1.270.0060.00323.73
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.74
8.1.230.0090.00318.97
8.1.220.0040.00417.77
8.1.210.0050.00318.77
8.1.200.0050.00517.50
8.1.190.0030.00517.47
8.1.180.0040.00418.10
8.1.170.0040.00418.87
8.1.160.0000.00822.06
8.1.150.0040.00418.83
8.1.140.0000.00917.63
8.1.130.0000.00717.83
8.1.120.0040.00417.54
8.1.110.0080.00017.51
8.1.100.0050.00217.62
8.1.90.0000.00717.64
8.1.80.0050.00317.61
8.1.70.0030.00617.54
8.1.60.0040.00417.69
8.1.50.0030.00517.57
8.1.40.0000.00817.70
8.1.30.0040.00417.75
8.1.20.0040.00417.80
8.1.10.0000.00817.76
8.1.00.0040.00417.56
8.0.300.0060.00318.77
8.0.290.0080.00016.88
8.0.280.0050.00318.38
8.0.270.0000.00717.29
8.0.260.0030.00317.29
8.0.250.0030.00317.03
8.0.240.0040.00717.13
8.0.230.0000.00716.97
8.0.220.0000.00717.09
8.0.210.0040.00417.04
8.0.200.0040.00417.13
8.0.190.0050.00217.08
8.0.180.0040.00417.05
8.0.170.0040.00417.07
8.0.160.0000.00717.01
8.0.150.0000.00816.96
8.0.140.0050.00217.04
8.0.130.0070.00013.54
8.0.120.0000.00816.96
8.0.110.0040.00417.06
8.0.100.0070.00017.09
8.0.90.0000.00717.10
8.0.80.0090.00917.10
8.0.70.0000.00916.90
8.0.60.0040.00416.94
8.0.50.0000.00717.11
8.0.30.0100.01317.10
8.0.20.0110.00717.40
8.0.10.0000.00817.20
8.0.00.0090.01217.05
7.4.330.0000.00515.18
7.4.320.0030.00316.79
7.4.300.0000.00716.77
7.4.290.0030.00316.87
7.4.280.0060.00316.79
7.4.270.0030.00316.74
7.4.260.0030.00616.70
7.4.250.0050.00316.67
7.4.240.0060.00216.77
7.4.230.0030.00616.62
7.4.220.0130.01316.94
7.4.210.0100.00516.75
7.4.200.0030.00316.85
7.4.160.0040.01216.52
7.4.150.0090.00917.40
7.4.140.0130.00517.86
7.4.130.0100.00816.73
7.4.120.0130.00716.69
7.4.110.0070.01016.73
7.4.100.0150.00316.85
7.4.90.0070.01416.74
7.4.80.0150.00919.39
7.4.70.0060.01216.62
7.4.60.0130.00316.62
7.4.50.0000.00416.70
7.4.40.0100.00616.70
7.4.30.0070.01416.67
7.4.00.0100.00715.30
7.3.330.0050.00013.38
7.3.320.0060.00013.45
7.3.310.0050.00216.49
7.3.300.0000.00716.32
7.3.290.0030.01016.38
7.3.280.0060.01216.42
7.3.270.0140.01217.40
7.3.260.0110.00616.47
7.3.250.0100.00816.37
7.3.240.0070.01316.67
7.3.230.0110.00716.44
7.3.210.0000.01816.80
7.3.200.0110.00919.39
7.3.190.0110.01116.69
7.3.180.0060.00916.60
7.3.170.0060.01016.50
7.3.160.0060.00916.45
7.2.330.0040.01516.87
7.2.320.0070.01116.81
7.2.310.0100.01016.91
7.2.300.0080.00916.94
7.2.290.0100.01316.88
7.2.00.0100.00719.54
7.1.100.0060.00618.51
7.1.70.0060.00617.36
7.1.60.0060.01519.40
7.1.50.0170.02134.70
7.1.00.0030.07322.55
7.0.200.0060.00316.85
7.0.140.0100.06722.04
7.0.90.0070.08319.93
7.0.80.0030.08719.93
7.0.70.0630.07019.88
7.0.60.0530.07019.97
7.0.50.0600.07320.27
7.0.40.0130.08319.99
7.0.30.0070.08320.10
7.0.20.0070.08020.13
7.0.10.0070.08320.09
7.0.00.0200.07320.12
5.6.280.0030.07020.86
5.6.240.0070.08020.67
5.6.230.0070.05720.66
5.6.220.0100.04720.55
5.6.210.0100.08020.58
5.6.200.0000.06021.09
5.6.190.0070.07021.08
5.6.180.0070.08021.04
5.6.170.0170.07321.17
5.6.160.0130.06321.03
5.6.150.0070.08021.11
5.6.140.0070.08021.02
5.6.130.0030.09020.95
5.6.120.0100.07321.05
5.6.110.0070.08721.10
5.6.100.0100.08021.00
5.6.90.0030.08021.07
5.6.80.0070.04720.36
5.6.70.0070.08020.39
5.6.60.0100.06720.54
5.6.50.0000.09020.39
5.6.40.0130.07720.47
5.6.30.0100.05720.45
5.6.20.0000.07720.40
5.6.10.0070.07320.37
5.6.00.0100.07320.38
5.5.380.0070.05320.46
5.5.370.0130.07320.50
5.5.360.0070.05720.39
5.5.350.0070.06020.45
5.5.340.0030.09020.78
5.5.330.0170.06320.87
5.5.320.0030.05020.65
5.5.310.0030.05720.80
5.5.300.0130.07720.84
5.5.290.0100.07320.87
5.5.280.0070.08020.83
5.5.270.0070.07720.88
5.5.260.0130.07320.71
5.5.250.0070.08020.59
5.5.240.0070.08020.14
5.5.230.0070.08720.18
5.5.220.0000.08320.15
5.5.210.0070.06720.21
5.5.200.0070.07320.09
5.5.190.0100.08020.25
5.5.180.0000.05720.16
5.5.160.0000.08320.18
5.5.150.0130.07320.17
5.5.140.0100.03720.14
5.5.130.0030.08320.23
5.5.120.0170.04720.24
5.5.110.0030.08320.21
5.5.100.0100.07720.10
5.5.90.0070.08320.04
5.5.80.0070.07719.95
5.5.70.0070.07020.10
5.5.60.0070.08320.09
5.5.50.0070.07319.96
5.5.40.0070.05320.10
5.5.30.0070.07719.89
5.5.20.0070.07720.05
5.5.10.0100.07020.12
5.5.00.0000.08019.97
5.4.450.0070.07319.23
5.4.440.0100.07319.44
5.4.430.0030.05019.19
5.4.420.0030.05019.35
5.4.410.0100.07719.32
5.4.400.0070.07319.21
5.4.390.0100.07718.87
5.4.380.0030.07319.23
5.4.370.0100.04719.03
5.4.360.0070.06318.95
5.4.350.0130.04019.12
5.4.340.0070.07719.14
5.4.320.0130.07019.23
5.4.310.0070.05018.88
5.4.300.0000.04318.87
5.4.290.0070.03719.09
5.4.280.0030.07318.94
5.4.270.0130.07319.17
5.4.260.0070.06719.04
5.4.250.0070.08718.89
5.4.240.0070.08019.15
5.4.230.0030.06319.08
5.4.220.0100.07318.88
5.4.210.0070.07719.04
5.4.200.0170.07319.10
5.4.190.0130.07018.89
5.4.180.0070.07719.04
5.4.170.0000.08718.89
5.4.160.0030.04019.01
5.4.150.0030.04319.10
5.4.140.0170.06716.39
5.4.130.0030.03716.37
5.4.120.0070.03316.38
5.4.110.0130.05316.43
5.4.100.0170.06016.38
5.4.90.0070.05016.42
5.4.80.0030.07716.49
5.4.70.0100.06716.32
5.4.60.0030.04316.48
5.4.50.0130.05716.47
5.4.40.0030.05316.41
5.4.30.0200.06016.39
5.4.20.0000.07716.48
5.4.10.0030.07016.48
5.4.00.0070.07315.84
5.3.290.0100.07714.71
5.3.280.0070.05314.63
5.3.270.0070.07714.63
5.3.260.0000.07314.61
5.3.250.0000.04314.61
5.3.240.0030.04714.74
5.3.230.0070.07714.63
5.3.220.0070.03314.71
5.3.210.0070.07314.68
5.3.200.0100.06014.50
5.3.190.0000.08014.63
5.3.180.0000.07014.55
5.3.170.0070.07314.52
5.3.160.0030.03714.49
5.3.150.0000.08014.54
5.3.140.0030.07314.52
5.3.130.0070.07014.59
5.3.120.0100.04314.61
5.3.110.0130.07014.52
5.3.100.0170.06714.04
5.3.90.0030.03714.04
5.3.80.0100.03014.14
5.3.70.0030.04014.07
5.3.60.0130.02713.91
5.3.50.0070.03314.01
5.3.40.0030.03714.08
5.3.30.0000.04013.90
5.3.20.0070.03313.66
5.3.10.0070.03713.75
5.3.00.0000.04013.73
5.2.170.0070.02711.13
5.2.160.0030.02711.18
5.2.150.0000.03311.14
5.2.140.0000.06011.08
5.2.130.0070.05011.02
5.2.120.0130.03710.91
5.2.110.0000.05010.92
5.2.100.0000.02710.93
5.2.90.0070.04311.06
5.2.80.0000.02710.91
5.2.70.0030.02311.11
5.2.60.0000.03010.84
5.2.50.0000.03011.01
5.2.40.0030.03710.98
5.2.30.0000.05010.97
5.2.20.0000.04310.75
5.2.10.0030.04710.94
5.2.00.0030.02310.74
5.1.60.0030.0209.87
5.1.50.0000.02710.03
5.1.40.0030.0209.81
5.1.30.0030.02010.20
5.1.20.0070.04010.43
5.1.10.0030.04310.05
5.1.00.0000.02710.07
5.0.50.0030.0178.39
5.0.40.0030.0138.46
5.0.30.0030.0278.25
5.0.20.0000.0208.23
5.0.10.0030.0178.28
5.0.00.0070.0278.22
4.4.90.0070.0277.43
4.4.80.0000.0137.43
4.4.70.0000.0207.43
4.4.60.0070.0207.43
4.4.50.0000.0177.43
4.4.40.0000.0237.43
4.4.30.0000.0137.43
4.4.20.0000.0177.43
4.4.10.0070.0107.43
4.4.00.0030.0207.43
4.3.110.0070.0177.43
4.3.100.0030.0207.43
4.3.90.0000.0177.43
4.3.80.0000.0237.43
4.3.70.0030.0107.43
4.3.60.0000.0207.43
4.3.50.0000.0237.43
4.3.40.0000.0377.43
4.3.30.0000.0177.43
4.3.20.0000.0137.43
4.3.10.0030.0207.43
4.3.00.0000.0307.43

preferences:
41.38 ms | 401 KiB | 5 Q