3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = array( "Sample" => array( "context" => 'جمهوری اسلامی ایران' ) ); $encoded = json_encode($json, JSON_UNESCAPED_UNICODE); var_dump($encoded);

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)
8.3.40.0070.01018.84
8.3.30.0070.01118.79
8.3.20.0040.00420.16
8.3.10.0040.00421.93
8.3.00.0040.00420.88
8.2.170.0140.00722.96
8.2.160.0040.01620.52
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0030.00619.64
8.2.110.0040.00420.11
8.2.100.0080.00317.97
8.2.90.0000.00819.09
8.2.80.0030.00517.97
8.2.70.0080.00017.50
8.2.60.0000.00817.80
8.2.50.0060.00318.07
8.2.40.0040.00418.09
8.2.30.0030.00517.90
8.2.20.0030.00517.61
8.2.10.0030.00517.96
8.2.00.0000.00717.70
8.1.270.0040.00420.48
8.1.260.0050.00226.35
8.1.250.0030.00528.09
8.1.240.0030.00623.91
8.1.230.0040.00719.09
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0000.01017.23
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0080.00318.38
8.1.160.0040.00421.94
8.1.150.0070.00018.69
8.1.140.0000.00817.32
8.1.130.0040.00417.87
8.1.120.0070.00017.23
8.1.110.0000.00817.38
8.1.100.0030.00517.30
8.1.90.0070.00017.40
8.1.80.0070.00017.37
8.1.70.0000.00717.27
8.1.60.0030.00617.58
8.1.50.0080.00317.34
8.1.40.0000.00717.36
8.1.30.0030.00517.43
8.1.20.0090.00017.52
8.1.10.0050.00217.28
8.1.00.0040.00417.39
8.0.300.0050.00318.77
8.0.290.0000.00716.63
8.0.280.0030.00318.38
8.0.270.0000.00717.23
8.0.260.0060.00017.05
8.0.250.0030.00316.82
8.0.240.0000.00716.75
8.0.230.0030.00316.82
8.0.220.0050.00216.77
8.0.210.0030.00316.85
8.0.200.0060.00016.92
8.0.190.0050.00216.84
8.0.180.0000.00716.73
8.0.170.0030.00616.85
8.0.160.0000.00816.80
8.0.150.0040.00416.82
8.0.140.0040.00416.77
8.0.130.0000.00713.18
8.0.120.0000.00716.75
8.0.110.0050.00316.82
8.0.100.0040.00416.75
8.0.90.0050.00316.68
8.0.80.0130.00316.77
8.0.70.0040.00416.86
8.0.60.0030.00516.63
8.0.50.0080.00016.70
8.0.30.0060.01517.09
8.0.20.0110.00917.40
8.0.10.0050.00216.83
8.0.00.0080.01016.72
7.4.330.0020.00215.03
7.4.320.0030.00316.53
7.4.300.0000.00616.38
7.4.290.0000.00716.54
7.4.280.0050.00316.41
7.4.270.0030.00316.38
7.4.260.0040.00416.41
7.4.250.0040.00416.49
7.4.240.0020.00516.51
7.4.230.0030.00316.54
7.4.220.0060.01116.47
7.4.210.0070.01116.52
7.4.200.0050.00316.59
7.4.160.0110.01116.36
7.4.150.0120.01217.40
7.4.140.0070.01117.86
7.4.130.0060.01216.28
7.4.120.0100.00616.36
7.4.110.0060.01316.47
7.4.100.0080.01116.31
7.4.90.0100.00716.33
7.4.80.0170.01016.44
7.4.70.0100.00716.30
7.4.60.0030.01216.33
7.4.50.0040.00416.28
7.4.40.0180.00416.32
7.4.30.0160.00316.50
7.4.00.0060.00914.69
7.3.330.0020.00212.87
7.3.320.0000.01412.90
7.3.310.0070.00016.13
7.3.300.0000.00616.14
7.3.290.0030.00316.14
7.3.280.0070.01016.16
7.3.270.0080.00917.40
7.3.260.0160.00716.07
7.3.250.0100.00716.28
7.3.240.0080.00816.23
7.3.230.0120.01016.39
7.3.210.0100.00616.16
7.3.200.0130.00319.39
7.3.190.0140.00716.19
7.3.180.0060.00916.19
7.3.170.0110.01116.27
7.3.160.0040.01116.18
7.2.330.0160.00016.35
7.2.320.0090.01216.57
7.2.310.0160.00716.29
7.2.300.0120.00616.57
7.2.290.0080.00816.48
7.2.00.0080.01119.21
7.1.100.0160.00017.97
7.1.70.0060.00617.15
7.1.60.0100.01319.46
7.1.50.0070.00716.88
7.1.00.0070.09322.54
7.0.200.0040.00416.41
7.0.140.0070.04722.04
7.0.110.0330.06321.79
7.0.100.0230.08019.96
7.0.90.0100.08020.03
7.0.80.0170.07719.91
7.0.70.0200.05019.93
7.0.60.0130.07020.03
7.0.50.0130.08320.49
7.0.40.0070.07720.22
7.0.30.0170.07720.04
7.0.20.0030.04320.16
7.0.10.0100.07720.02
7.0.00.0070.05320.25
5.6.280.0000.07721.07
5.6.250.0100.08320.57
5.6.240.0030.05320.68
5.6.230.0170.07320.70
5.6.220.0030.07720.59
5.6.210.0070.07020.58
5.6.200.0070.07721.27
5.6.190.0130.07721.11
5.6.180.0130.04321.07
5.6.170.0030.08021.10
5.6.160.0030.08020.98
5.6.150.0130.07021.14
5.6.140.0130.07321.28
5.6.130.0100.07021.25
5.6.120.0000.08721.25
5.6.110.0100.07721.25
5.6.100.0000.08021.13
5.6.90.0130.06021.05
5.6.80.0200.06320.52
5.6.70.0130.07020.40
5.6.60.0100.08020.50
5.6.50.0170.06720.30
5.6.40.0130.07020.46
5.6.30.0100.08020.62
5.6.20.0130.08020.28
5.6.10.0100.04720.43
5.6.00.0070.07020.60
5.5.380.0130.04320.38
5.5.370.0070.08320.36
5.5.360.0100.07720.23
5.5.350.0100.08320.44
5.5.340.0070.08320.93
5.5.330.0000.08720.89
5.5.320.0130.07320.90
5.5.310.0070.08320.96
5.5.300.0030.08320.96
5.5.290.0100.07320.73
5.5.280.0070.08320.97
5.5.270.0100.08020.87
5.5.260.0100.07720.88
5.5.250.0070.08320.78
5.5.240.0230.06020.33
5.5.230.0070.05020.11
5.5.220.0100.05020.27
5.5.210.0130.07720.36
5.5.200.0100.07720.25
5.5.190.0070.07720.21
5.5.180.0100.07720.36
5.5.160.0070.07720.18
5.5.150.0070.07720.08
5.5.140.0070.07720.32
5.5.130.0030.03720.15
5.5.120.0100.05320.23
5.5.110.0070.08020.07
5.5.100.0100.08020.13
5.5.90.0070.06720.13
5.5.80.0070.07320.20
5.5.70.0100.07320.08
5.5.60.0030.07320.00
5.5.50.0000.07720.18
5.5.40.0000.07320.00
5.5.30.0070.07720.02
5.5.20.0130.07019.97
5.5.10.0130.07320.02
5.5.00.0100.07020.09
5.4.450.0070.08319.35
5.4.440.0000.04319.59
5.4.430.0030.07319.42
5.4.420.0070.03719.40
5.4.410.0030.07719.47
5.4.400.0070.06718.93
5.4.390.0070.07319.03
5.4.380.0100.03319.18
5.4.370.0030.05719.12
5.4.360.0130.07718.95
5.4.350.0100.07019.20
5.4.340.0100.07319.08
5.4.320.0000.08318.98
5.4.310.0130.06719.16
5.4.300.0000.05019.25
5.4.290.0070.07319.10
5.4.280.0070.07319.00
5.4.270.0170.06319.16
5.4.260.0070.03319.16
5.4.250.0030.07019.07
5.4.240.0070.07718.97
5.4.230.0170.02318.95
5.4.220.0070.08019.17
5.4.210.0100.06719.00
5.4.200.0100.07019.24
5.4.190.0030.08019.02
5.4.180.0100.07319.04
5.4.170.0070.07719.26
5.4.160.0070.07718.98
5.4.150.0130.07019.00
5.4.140.0030.07316.25
5.4.130.0030.08016.27
5.4.120.0170.06316.47
5.4.110.0030.08016.28
5.4.100.0100.06316.40
5.4.90.0130.06316.49
5.4.80.0070.06716.34
5.4.70.0070.04716.27
5.4.60.0070.05716.35
5.4.50.0070.07016.49
5.4.40.0130.06316.16
5.4.30.0100.07016.34
5.4.20.0000.05016.35
5.4.10.0100.07016.15
5.4.00.0030.06315.92
5.3.290.0070.08014.56
5.3.280.0070.06714.46
5.3.270.0170.06714.57
5.3.260.0070.07714.69
5.3.250.0000.08014.55
5.3.240.0070.07314.55
5.3.230.0000.08014.60
5.3.220.0100.05714.35
5.3.210.0070.06714.55
5.3.200.0070.08014.48
5.3.190.0030.06714.48
5.3.180.0070.07014.36
5.3.170.0030.04714.38
5.3.160.0030.06714.46
5.3.150.0030.06014.63
5.3.140.0030.07714.54
5.3.130.0130.07014.49
5.3.120.0030.04714.46
5.3.110.0070.07014.39
5.3.100.0070.06713.82
5.3.90.0000.05014.09
5.3.80.0070.06713.91
5.3.70.0070.07313.95
5.3.60.0070.07313.92
5.3.50.0170.06013.77
5.3.40.0130.07013.77
5.3.30.0030.07013.79
5.3.20.0030.04713.75
5.3.10.0070.07013.71
5.3.00.0070.06713.55
5.2.170.0030.03711.15
5.2.160.0070.03011.06
5.2.150.0030.06011.05
5.2.140.0070.06311.06
5.2.130.0070.04311.03
5.2.120.0100.05311.17
5.2.110.0070.03311.04
5.2.100.0000.06311.04
5.2.90.0000.04311.01
5.2.80.0030.04710.99
5.2.70.0100.03710.88
5.2.60.0030.04711.00
5.2.50.0070.05710.91
5.2.40.0100.05710.91
5.2.30.0030.05710.87
5.2.20.0070.06010.91
5.2.10.0070.05710.77
5.2.00.0070.04710.70
5.1.60.0070.0479.95
5.1.50.0100.05010.16
5.1.40.0030.05010.02
5.1.30.0070.05710.27
5.1.20.0070.05310.26
5.1.10.0070.05010.07
5.1.00.0070.04710.31
5.0.50.0000.0278.61
5.0.40.0030.0408.56
5.0.30.0100.0578.37
5.0.20.0070.0438.36
5.0.10.0070.0408.16
5.0.00.0030.0637.98
4.4.90.0030.0377.85
4.4.80.0000.0377.85
4.4.70.0070.0337.85
4.4.60.0070.0337.85
4.4.50.0000.0377.85
4.4.40.0030.0477.85
4.4.30.0070.0337.85
4.4.20.0000.0377.85
4.4.10.0000.0337.85
4.4.00.0000.0507.85
4.3.110.0030.0307.85
4.3.100.0030.0307.85
4.3.90.0030.0337.85
4.3.80.0000.0407.85
4.3.70.0000.0377.85
4.3.60.0000.0377.85
4.3.50.0000.0377.85
4.3.40.0030.0537.85
4.3.30.0000.0307.85
4.3.20.0000.0337.85
4.3.10.0030.0277.85
4.3.00.0000.0377.85

preferences:
44.36 ms | 400 KiB | 5 Q