3v4l.org

run code in 300+ PHP versions simultaneously
<?php class myClass { public $item1 = 1; public $item2 = '中文'; function to_json() { //url编码,避免json_encode将中文转为unicode $this->item2 = urlencode($this->item2); $str_json = json_encode($this); //url解码,转完json后将各属性返回,确保对象属性不变 $this->item2 = urldecode($this->item2); return urldecode($str_json); } } $c = new myClass(); echo json_encode($c); echo '<br/>'; echo $c->to_json(); echo '<br/>'; echo json_encode($c); echo '<br/>'; echo json_encode('胥');

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)
8.3.60.0110.00716.63
8.3.50.0130.00721.91
8.3.40.0140.00418.71
8.3.30.0140.00019.22
8.3.20.0050.00220.21
8.3.10.0040.00421.91
8.3.00.0060.00319.20
8.2.180.0100.01018.54
8.2.170.0090.01322.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.01126.16
8.2.120.0030.00522.29
8.2.110.0090.00022.25
8.2.100.0080.00417.72
8.2.90.0000.00819.17
8.2.80.0030.00518.04
8.2.70.0040.00417.63
8.2.60.0080.00017.89
8.2.50.0030.00618.07
8.2.40.0040.00418.16
8.2.30.0030.00617.95
8.2.20.0040.00417.60
8.2.10.0070.00317.98
8.2.00.0030.00717.62
8.1.280.0040.01125.92
8.1.270.0060.00623.99
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00623.72
8.1.230.0070.00420.97
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.13
8.1.190.0030.00517.52
8.1.180.0090.00018.10
8.1.170.0000.00818.52
8.1.160.0070.00021.83
8.1.150.0030.00618.64
8.1.140.0040.00717.39
8.1.130.0000.00717.68
8.1.120.0070.00017.29
8.1.110.0080.00017.33
8.1.100.0040.00417.42
8.1.90.0000.00717.43
8.1.80.0070.00017.28
8.1.70.0070.00017.26
8.1.60.0110.00017.54
8.1.50.0040.00417.59
8.1.40.0040.00417.39
8.1.30.0040.00417.55
8.1.20.0030.00617.48
8.1.10.0020.00517.59
8.1.00.0000.00717.44
8.0.300.0100.00018.77
8.0.290.0000.00717.04
8.0.280.0000.00718.45
8.0.270.0040.00417.27
8.0.260.0040.00417.19
8.0.250.0000.00717.00
8.0.240.0070.00016.92
8.0.230.0070.00016.95
8.0.220.0000.00616.69
8.0.210.0030.00316.76
8.0.200.0000.00616.75
8.0.190.0050.00516.84
8.0.180.0000.00716.82
8.0.170.0000.00816.85
8.0.160.0000.00716.81
8.0.150.0090.00316.79
8.0.140.0050.00316.68
8.0.130.0000.00713.23
8.0.120.0040.00416.82
8.0.110.0000.00716.87
8.0.100.0050.00216.86
8.0.90.0070.00016.64
8.0.80.0110.00416.87
8.0.70.0070.00016.68
8.0.60.0040.00416.68
8.0.50.0050.00316.80
8.0.30.0100.00917.30
8.0.20.0050.01517.40
8.0.10.0040.00416.86
8.0.00.0110.00616.68
7.4.330.0050.00015.00
7.4.320.0030.00316.45
7.4.300.0000.00616.51
7.4.290.0030.00316.50
7.4.280.0050.00516.50
7.4.270.0000.00716.63
7.4.260.0070.00016.51
7.4.250.0060.00316.39
7.4.240.0020.00516.53
7.4.230.0030.00316.44
7.4.220.0110.00616.64
7.4.210.0060.00816.53
7.4.200.0000.00716.37
7.4.190.0030.00316.54
7.4.160.0090.00616.47
7.4.150.0100.00717.40
7.4.140.0080.01017.86
7.4.130.0120.00516.50
7.4.120.0090.01016.49
7.4.110.0030.01416.45
7.4.100.0070.01016.61
7.4.90.0120.00916.45
7.4.80.0120.00819.39
7.4.70.0080.00816.45
7.4.60.0170.00316.46
7.4.50.0050.00016.37
7.4.40.0060.00922.77
7.4.30.0120.00516.54
7.4.00.0030.01315.01
7.3.330.0020.00213.26
7.3.320.0000.00513.29
7.3.310.0050.00216.21
7.3.300.0040.00416.18
7.3.290.0070.01016.28
7.3.280.0080.00816.29
7.3.270.0120.00617.40
7.3.260.0100.00716.38
7.3.250.0120.00916.30
7.3.240.0030.01416.25
7.3.230.0030.01316.41
7.3.210.0120.00616.19
7.3.200.0040.01719.39
7.3.190.0090.01216.42
7.3.180.0070.00716.60
7.3.170.0090.01216.27
7.3.160.0060.00916.27
7.3.120.0110.00414.79
7.2.330.0060.01116.80
7.2.320.0110.00816.41
7.2.310.0030.01316.45
7.2.300.0090.01516.59
7.2.290.0060.01016.69
7.2.60.0090.00316.93
7.2.50.0000.01216.80
7.2.00.0030.00919.60
7.1.200.0040.00815.60
7.1.100.0030.00718.15
7.1.70.0000.01116.86
7.1.60.0090.01319.46
7.1.50.0090.00916.63
7.1.00.0030.07322.27
7.0.200.0040.00816.67
7.0.140.0030.07322.21
7.0.90.0570.03720.04
7.0.80.0600.08019.91
7.0.70.0570.08020.02
7.0.60.0670.05019.89
7.0.50.0500.07720.36
7.0.40.0070.08720.18
7.0.30.0000.04319.95
7.0.20.0130.03320.08
7.0.10.0100.03020.10
7.0.00.0170.06020.09
5.6.280.0030.07320.87
5.6.240.0070.08720.68
5.6.230.0000.08320.59
5.6.220.0130.06720.73
5.6.210.0130.07020.57
5.6.200.0200.07021.02
5.6.190.0100.07021.14
5.6.180.0070.04721.06
5.6.170.0070.06721.07
5.6.160.0070.08721.02
5.6.150.0070.05720.95
5.6.140.0070.04021.13
5.6.130.0030.04021.00
5.6.120.0030.04321.14
5.6.110.0030.04721.01
5.6.100.0070.08321.09
5.6.90.0030.04321.04
5.6.80.0100.04020.42
5.6.70.0130.06020.32
5.6.60.0070.04720.51
5.6.50.0030.05720.55
5.6.40.0130.07020.43
5.6.30.0130.06020.47
5.6.20.0130.07020.31
5.6.10.0170.03320.39
5.6.00.0030.07020.30
5.5.380.0030.08720.45
5.5.370.0070.08020.36
5.5.360.0130.07720.39
5.5.350.0100.07320.37
5.5.340.0070.05020.84
5.5.330.0100.07720.85
5.5.320.0100.07720.64
5.5.310.0170.06320.73
5.5.300.0030.07020.77
5.5.290.0030.08020.91
5.5.280.0130.07720.78
5.5.270.0130.07320.89
5.5.260.0000.06020.88
5.5.250.0100.07720.74
5.5.240.0100.03720.18
5.5.230.0170.06720.28
5.5.220.0130.04320.24
5.5.210.0100.07720.21
5.5.200.0070.06720.11
5.5.190.0230.06320.14
5.5.180.0070.08020.28
5.5.160.0030.05020.10
5.5.150.0100.03320.25
5.5.140.0130.03020.27
5.5.130.0030.04720.18
5.5.120.0070.03720.10
5.5.110.0100.04720.23
5.5.100.0070.03720.18
5.5.90.0030.05720.16
5.5.80.0070.03320.09
5.5.70.0000.04320.00
5.5.60.0070.03320.06
5.5.50.0030.04020.14
5.5.40.0100.06720.07
5.5.30.0100.05320.05
5.5.20.0070.07320.15
5.5.10.0030.04020.05
5.5.00.0070.07719.97
5.4.450.0070.07319.52
5.4.440.0030.04719.36
5.4.430.0100.08019.53
5.4.420.0070.06019.37
5.4.410.0230.02719.27
5.4.400.0070.05019.05
5.4.390.0070.08019.07
5.4.380.0030.07719.12
5.4.370.0030.04719.23
5.4.360.0070.07019.09
5.4.350.0100.06319.13
5.4.340.0100.07019.05
5.4.320.0070.04018.95
5.4.310.0100.03319.02
5.4.300.0070.03718.94
5.4.290.0070.03719.00
5.4.280.0100.04718.86
5.4.270.0000.05319.23
5.4.260.0000.04319.05
5.4.250.0100.03019.14
5.4.240.0030.03319.20
5.4.230.0030.03719.20
5.4.220.0070.03318.88
5.4.210.0100.03019.12
5.4.200.0030.06719.02
5.4.190.0070.04319.17
5.4.180.0030.03318.84
5.4.170.0000.04319.02
5.4.160.0000.04719.02
5.4.150.0030.03719.11
5.4.140.0030.03716.20
5.4.130.0000.03716.20
5.4.120.0100.05016.39
5.4.110.0030.04016.34
5.4.100.0070.03716.53
5.4.90.0000.03716.32
5.4.80.0000.05016.31
5.4.70.0000.04016.44
5.4.60.0070.05016.40
5.4.50.0000.03716.34
5.4.40.0030.05016.30
5.4.30.0000.05316.33
5.4.20.0100.06716.48
5.4.10.0000.04016.33
5.4.00.0030.03315.84
5.3.290.0030.05014.65
5.3.280.0000.04014.57
5.3.270.0030.04014.67
5.3.260.0000.03714.59
5.3.250.0030.03714.66
5.3.240.0070.04714.71
5.3.230.0030.04014.60
5.3.220.0000.04014.52
5.3.210.0000.04014.63
5.3.200.0070.03314.71
5.3.190.0130.05714.63
5.3.180.0100.03014.59
5.3.170.0070.03014.54
5.3.160.0070.03314.54
5.3.150.0000.04014.57
5.3.140.0030.03714.62
5.3.130.0030.04014.50
5.3.120.0070.05314.55
5.3.110.0000.05314.50
5.3.100.0000.04014.01
5.3.90.0070.03314.03
5.3.80.0100.02714.15
5.3.70.0030.03714.00
5.3.60.0030.03713.89
5.3.50.0130.04714.00
5.3.40.0070.02713.87
5.3.30.0000.03713.90
5.3.20.0030.03713.63
5.3.10.0100.03313.63
5.3.00.0070.03013.73
5.2.170.0100.02311.15
5.2.160.0000.03011.26
5.2.150.0000.03011.26
5.2.140.0030.02311.06
5.2.130.0070.04311.22
5.2.120.0030.04711.20
5.2.110.0030.02711.01
5.2.100.0000.03311.21
5.2.90.0030.02311.17
5.2.80.0030.03310.96
5.2.70.0130.05711.15
5.2.60.0100.05710.91
5.2.50.0070.04711.05
5.2.40.0030.06011.01
5.2.30.0070.04311.07
5.2.20.0100.05310.90
5.2.10.0070.04710.78
5.2.00.0070.05710.62
5.1.60.0100.04710.08
5.1.50.0100.0509.84
5.1.40.0070.0409.82
5.1.30.0030.06010.29
5.1.20.0000.04710.26
5.1.10.0070.04710.17
5.1.00.0070.05010.13
5.0.50.0100.0408.58
5.0.40.0030.0338.39
5.0.30.0070.0578.07
5.0.20.0070.0438.09
5.0.10.0100.0308.26
5.0.00.0000.0638.17
4.4.90.0000.0378.03
4.4.80.0070.0308.03
4.4.70.0000.0208.03
4.4.60.0000.0378.03
4.4.50.0070.0278.03
4.4.40.0070.0508.03
4.4.30.0030.0338.03
4.4.20.0030.0178.03
4.4.10.0030.0338.03
4.4.00.0070.0478.03
4.3.110.0030.0338.03
4.3.100.0070.0278.03
4.3.90.0030.0308.03
4.3.80.0070.0508.03
4.3.70.0000.0378.03
4.3.60.0100.0178.03
4.3.50.0000.0378.03
4.3.40.0000.0508.03
4.3.30.0030.0308.03
4.3.20.0000.0378.03
4.3.10.0030.0378.03
4.3.00.0070.0308.03

preferences:
42.72 ms | 401 KiB | 5 Q