3v4l.org

run code in 300+ PHP versions simultaneously
<?php $User = array( 'Name' => "Hans-Peterµµ", 'Contacts' => array(1, 2, 3, 4, 5, 6, 7, 42), 'Active' => 1 ); $J = json_encode($User); $JS = json_encode($User, JSON_UNESCAPED_UNICODE); echo $JS."<br/>\r\n".$J; //echo $JS."--".json_decode($JS)."__";

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)
8.3.60.0100.00718.43
8.3.50.0110.00521.94
8.3.40.0160.00618.64
8.3.30.0110.00318.84
8.3.20.0040.00420.20
8.3.10.0050.00520.42
8.3.00.0050.00319.38
8.2.180.0130.00716.63
8.2.170.0070.00722.96
8.2.160.0070.01020.43
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0080.00020.88
8.2.110.0100.00022.26
8.2.100.0040.00717.77
8.2.90.0000.00817.75
8.2.80.0000.00817.97
8.2.70.0040.00417.92
8.2.60.0040.00817.93
8.2.50.0040.00418.10
8.2.40.0040.00420.55
8.2.30.0040.00419.43
8.2.20.0000.00817.73
8.2.10.0030.00517.98
8.2.00.0030.00517.75
8.1.280.0170.00325.92
8.1.270.0090.00023.88
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.01223.83
8.1.230.0060.00619.00
8.1.220.0040.00417.77
8.1.210.0080.00018.77
8.1.200.0000.00817.35
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0030.00618.64
8.1.160.0000.00721.87
8.1.150.0030.00318.74
8.1.140.0070.00317.43
8.1.130.0000.00617.82
8.1.120.0050.00217.51
8.1.110.0050.00317.50
8.1.100.0000.00717.46
8.1.90.0040.00417.43
8.1.80.0040.00417.44
8.1.70.0030.00317.32
8.1.60.0040.00417.55
8.1.50.0030.00517.52
8.1.40.0040.00417.51
8.1.30.0030.00517.66
8.1.20.0000.00817.58
8.1.10.0040.00417.48
8.1.00.0040.00417.42
8.0.300.0000.01019.73
8.0.290.0070.00016.75
8.0.280.0000.00718.38
8.0.270.0030.00317.32
8.0.260.0000.00617.22
8.0.250.0030.00316.90
8.0.240.0040.00416.98
8.0.230.0030.00316.82
8.0.220.0000.00716.88
8.0.210.0000.00616.85
8.0.200.0000.00716.86
8.0.190.0030.00617.00
8.0.180.0030.00316.92
8.0.170.0030.00616.82
8.0.160.0070.00016.86
8.0.150.0040.00416.83
8.0.140.0070.00016.88
8.0.130.0030.00313.26
8.0.120.0040.00416.73
8.0.110.0030.00516.76
8.0.100.0000.00716.99
8.0.90.0000.00716.91
8.0.80.0080.00816.90
8.0.70.0000.00916.68
8.0.60.0000.00716.89
8.0.50.0040.00416.73
8.0.30.0120.00817.08
8.0.20.0110.00717.40
8.0.10.0000.00716.88
8.0.00.0140.00716.80
7.4.330.0000.00515.00
7.4.320.0060.00016.58
7.4.300.0070.00016.47
7.4.290.0070.00016.39
7.4.280.0040.00416.44
7.4.270.0030.00316.59
7.4.260.0080.00016.51
7.4.250.0040.00416.52
7.4.240.0070.00016.50
7.4.230.0070.00016.27
7.4.220.0070.01016.43
7.4.210.0040.01116.59
7.4.200.0080.00016.50
7.4.160.0060.00916.35
7.4.150.0120.00417.40
7.4.140.0090.00917.86
7.4.130.0080.01116.33
7.4.120.0090.00816.49
7.4.110.0080.00816.40
7.4.100.0110.00716.50
7.4.90.0060.01216.32
7.4.80.0100.00719.39
7.4.70.0210.00416.38
7.4.60.0120.00816.52
7.4.50.0000.00816.21
7.4.40.0100.01316.59
7.4.30.0040.01316.35
7.4.00.0000.01514.54
7.3.330.0030.00213.13
7.3.320.0050.00013.03
7.3.310.0070.00016.07
7.3.300.0020.00515.99
7.3.290.0040.01116.22
7.3.280.0090.00716.16
7.3.270.0030.01317.40
7.3.260.0030.01416.14
7.3.250.0110.00516.38
7.3.240.0100.00716.25
7.3.230.0060.01016.39
7.3.210.0100.01316.29
7.3.200.0030.01419.39
7.3.190.0070.01016.16
7.3.180.0100.00716.29
7.3.170.0040.01316.37
7.3.160.0100.00616.26
7.2.330.0100.00716.80
7.2.320.0220.02816.74
7.2.310.0030.01316.40
7.2.300.0070.01016.36
7.2.290.0090.01216.63
7.2.80.0100.00616.43
7.2.60.0040.01117.07
7.2.00.0150.00719.55
7.1.200.0000.00615.74
7.1.100.0060.00617.74
7.1.70.0060.00317.25
7.1.60.0080.01519.61
7.1.50.0000.01616.99
7.1.00.0070.07322.33
7.0.200.0330.00314.41
7.0.140.0000.07721.99
7.0.90.0070.07320.13
7.0.80.0070.07319.85
7.0.70.0100.08319.86
7.0.60.0100.08019.92
7.0.50.0570.07720.31
7.0.40.0070.05020.13
7.0.30.0030.05320.05
7.0.20.0200.07020.06
7.0.10.0130.07720.09
7.0.00.0070.08020.14
5.6.280.0030.06320.92
5.6.230.0170.07020.52
5.6.220.0070.04720.48
5.6.210.0030.08720.77
5.6.200.0100.07721.02
5.6.190.0070.06021.08
5.6.180.0130.06321.03
5.6.170.0030.08321.08
5.6.160.0130.07721.10
5.6.150.0170.07021.17
5.6.140.0070.05720.95
5.6.130.0030.09020.98
5.6.120.0070.07721.08
5.6.110.0170.07721.12
5.6.100.0170.03721.11
5.6.90.0100.08321.09
5.6.80.0070.08020.40
5.6.70.0030.08720.43
5.6.60.0130.05320.30
5.6.50.0070.08720.55
5.6.40.0030.06320.29
5.6.30.0100.07020.49
5.6.20.0100.07320.46
5.6.10.0030.08720.46
5.6.00.0070.06320.36
5.5.370.0070.07020.49
5.5.360.0030.05020.34
5.5.350.0130.07720.46
5.5.340.0070.06020.89
5.5.330.0170.06720.89
5.5.320.0130.07720.88
5.5.310.0100.07320.84
5.5.300.0070.08020.92
5.5.290.0170.07320.88
5.5.280.0130.08320.90
5.5.270.0130.07720.88
5.5.260.0070.08020.72
5.5.250.0100.07320.41
5.5.240.0130.08020.11
5.5.230.0100.07320.15
5.5.220.0070.08020.28
5.5.210.0130.07320.27
5.5.200.0100.07020.27
5.5.190.0070.06720.23
5.5.180.0070.05020.26
5.5.160.0070.07320.13
5.5.150.0030.08320.26
5.5.140.0130.07320.13
5.5.130.0030.06320.22
5.5.120.0100.08020.23
5.5.110.0030.06020.14
5.5.100.0030.05019.95
5.5.90.0000.08320.07
5.5.80.0170.06320.10
5.5.70.0030.05020.16
5.5.60.0030.07720.05
5.5.50.0000.08319.93
5.5.40.0170.05720.04
5.5.30.0100.07020.14
5.5.20.0000.05320.02
5.5.10.0070.08320.12
5.5.00.0100.07320.02
5.4.450.0030.05319.45
5.4.440.0100.05319.30
5.4.430.0030.08319.35
5.4.420.0100.05719.11
5.4.410.0070.07719.27
5.4.400.0100.07718.84
5.4.390.0070.08318.81
5.4.380.0170.07018.97
5.4.370.0200.06718.90
5.4.360.0070.07319.08
5.4.350.0030.04719.04
5.4.340.0130.06319.03
5.4.320.0070.05019.13
5.4.310.0130.06019.09
5.4.300.0130.06719.09
5.4.290.0100.07719.14
5.4.280.0170.06318.84
5.4.270.0170.06718.78
5.4.260.0000.04318.96
5.4.250.0030.04318.97
5.4.240.0000.06318.78
5.4.230.0070.07319.05
5.4.220.0100.07319.07
5.4.210.0030.08019.02
5.4.200.0070.03719.02
5.4.190.0130.06719.02
5.4.180.0170.06319.13
5.4.170.0070.07719.24
5.4.160.0100.07019.07
5.4.150.0170.07319.12
5.4.140.0070.05016.29
5.4.130.0070.07016.32
5.4.120.0070.06716.32
5.4.110.0130.06316.39
5.4.100.0070.07016.31
5.4.90.0070.07716.43
5.4.80.0100.06016.41
5.4.70.0000.06716.40
5.4.60.0030.07316.41
5.4.50.0000.04016.41
5.4.40.0070.07016.34
5.4.30.0170.05716.41
5.4.20.0070.07316.41
5.4.10.0200.06316.30
5.4.00.0070.06315.67
5.3.290.0100.06314.60
5.3.280.0030.08014.41
5.3.270.0100.07314.46
5.3.260.0130.05714.52
5.3.250.0000.08014.60
5.3.240.0130.06314.47
5.3.230.0030.06014.56
5.3.220.0070.05014.57
5.3.210.0130.07014.48
5.3.200.0130.06314.56
5.3.190.0100.04314.55
5.3.180.0100.05314.51
5.3.170.0030.07714.55
5.3.160.0100.06714.42
5.3.150.0200.04014.50
5.3.140.0030.07714.41
5.3.130.0070.07714.53
5.3.120.0030.07714.55
5.3.110.0070.05314.51
5.3.100.0030.08014.04
5.3.90.0030.07713.96
5.3.80.0070.07713.98
5.3.70.0100.07313.88
5.3.60.0000.07713.96
5.3.50.0070.05313.92
5.3.40.0030.05313.85
5.3.30.0130.07013.73
5.3.20.0100.07313.46
5.3.10.0070.06713.64
5.3.00.0030.07713.39
5.2.170.0000.04710.98
5.2.160.0070.05311.06
5.2.150.0070.06311.06
5.2.140.0100.05711.13
5.2.130.0070.05311.09
5.2.120.0100.05010.96
5.2.110.0030.06311.16
5.2.100.0070.04711.04
5.2.90.0000.06710.96
5.2.80.0070.06011.09
5.2.70.0070.06311.14
5.2.60.0030.05311.04
5.2.50.0000.06310.86
5.2.40.0030.04010.86
5.2.30.0070.06010.97
5.2.20.0000.05311.00
5.2.10.0030.04310.90
5.2.00.0070.04710.72
5.1.60.0030.0339.83
5.1.50.0030.0539.99
5.1.40.0030.0579.96
5.1.30.0070.04310.26
5.1.20.0030.05310.25
5.1.10.0070.05010.09
5.1.00.0070.03310.08
5.0.50.0100.0408.61
5.0.40.0030.0438.39
5.0.30.0030.0578.30
5.0.20.0070.0438.31
5.0.10.0070.0408.24
5.0.00.0100.0578.00
4.4.90.0070.0307.27
4.4.80.0000.0377.27
4.4.70.0000.0337.27
4.4.60.0000.0377.27
4.4.50.0000.0307.27
4.4.40.0030.0507.27
4.4.30.0000.0377.27
4.4.20.0000.0377.27
4.4.10.0070.0277.27
4.4.00.0030.0537.27
4.3.110.0000.0337.27
4.3.100.0000.0377.27
4.3.90.0030.0377.27
4.3.80.0070.0507.27
4.3.70.0000.0277.27
4.3.60.0000.0337.27
4.3.50.0030.0337.27
4.3.40.0000.0537.27
4.3.30.0000.0377.27
4.3.20.0030.0307.27
4.3.10.0000.0307.27
4.3.00.0030.0277.27

preferences:
35.44 ms | 401 KiB | 5 Q