3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode('asd'); $str = json_decode("compensation\u00a0"); var_dump($str);

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)
8.3.60.0140.00416.38
8.3.50.0110.01118.18
8.3.40.0140.00018.54
8.3.30.0140.00718.45
8.3.20.0070.00719.04
8.3.10.0110.00721.60
8.3.00.0050.00319.05
8.2.180.0090.00616.38
8.2.170.0120.00622.96
8.2.160.0030.01022.08
8.2.150.0000.00824.18
8.2.140.0100.01024.66
8.2.130.0000.00717.80
8.2.120.0040.00426.35
8.2.110.0030.00722.05
8.2.100.0090.00317.93
8.2.90.0040.00419.13
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0030.00522.15
8.2.30.0000.00720.71
8.2.20.0040.00417.73
8.2.10.0020.00517.93
8.2.00.0000.00817.93
8.1.280.0160.00625.92
8.1.270.0060.01223.88
8.1.260.0120.00628.09
8.1.250.0080.00028.09
8.1.240.0000.01022.55
8.1.230.0040.00719.12
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0070.00317.23
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00720.69
8.1.150.0070.00018.86
8.1.140.0070.00019.49
8.1.130.0030.00317.73
8.1.120.0000.00717.36
8.1.110.0080.00017.26
8.1.100.0000.00717.25
8.1.90.0000.00717.39
8.1.80.0000.00817.36
8.1.70.0070.00017.37
8.1.60.0040.00417.55
8.1.50.0040.00417.49
8.1.40.0030.00617.33
8.1.30.0040.00417.52
8.1.20.0040.00417.48
8.1.10.0040.00417.48
8.1.00.0000.01117.47
8.0.300.0000.00718.77
8.0.290.0070.00016.88
8.0.280.0040.00418.51
8.0.270.0030.00317.29
8.0.260.0060.00017.24
8.0.250.0030.00316.93
8.0.240.0040.00416.96
8.0.230.0000.00716.95
8.0.220.0050.00516.73
8.0.210.0030.00516.78
8.0.200.0060.00316.86
8.0.190.0040.00416.77
8.0.180.0000.00716.73
8.0.170.0040.00416.81
8.0.160.0000.00716.84
8.0.150.0020.00516.72
8.0.140.0000.00716.71
8.0.130.0050.00013.27
8.0.120.0030.00516.75
8.0.110.0070.00016.68
8.0.100.0000.00716.80
8.0.90.0040.00416.84
8.0.80.0040.01116.77
8.0.70.0000.00816.63
8.0.60.0000.00716.69
8.0.50.0000.00716.66
8.0.30.0070.01316.96
8.0.20.0100.00817.40
8.0.10.0050.00216.96
8.0.00.0130.00516.48
7.4.330.0000.00415.08
7.4.320.0030.00316.29
7.4.300.0060.00016.52
7.4.290.0000.00616.45
7.4.280.0030.00316.54
7.4.270.0070.00016.50
7.4.260.0030.00316.50
7.4.250.0000.00716.53
7.4.240.0070.00016.58
7.4.230.0030.00316.53
7.4.220.0110.01516.51
7.4.210.0080.00816.55
7.4.200.0040.00416.42
7.4.160.0140.00716.46
7.4.150.0100.00717.40
7.4.140.0120.00617.86
7.4.130.0160.00816.33
7.4.120.0030.01316.55
7.4.110.0150.00016.53
7.4.100.0070.01316.42
7.4.90.0100.00716.56
7.4.80.0100.00619.39
7.4.70.0090.00916.40
7.4.60.0040.01216.57
7.4.50.0060.00916.55
7.4.40.0060.01316.41
7.4.30.0030.02016.30
7.4.00.0020.01414.82
7.3.330.0000.00612.86
7.3.320.0030.00312.88
7.3.310.0030.00315.98
7.3.300.0000.00716.10
7.3.290.0030.00316.12
7.3.280.0080.00916.13
7.3.270.0090.00917.40
7.3.260.0100.01116.22
7.3.250.0080.01016.24
7.3.240.0070.01116.20
7.3.230.0030.01316.39
7.3.210.0080.00816.44
7.3.200.0120.00616.26
7.3.190.0050.01116.19
7.3.180.0150.00016.32
7.3.170.0100.00716.39
7.3.160.0100.00616.36
7.3.120.0070.01014.75
7.3.110.0080.00714.57
7.3.100.0050.00714.62
7.3.90.0050.00814.86
7.3.80.0130.00214.84
7.3.70.0050.00514.75
7.3.60.0080.00514.74
7.3.50.0050.00814.61
7.3.40.0070.00614.51
7.3.30.0120.00214.46
7.3.20.0060.00716.54
7.3.10.0050.00816.40
7.3.00.0030.00916.47
7.2.330.0060.01116.72
7.2.320.0100.01316.56
7.2.310.0090.00916.62
7.2.300.0120.00616.55
7.2.290.0100.00616.44
7.2.250.0030.01614.72
7.2.240.0120.00414.71
7.2.230.0070.00714.91
7.2.220.0060.00415.10
7.2.210.0050.00814.95
7.2.200.0070.00714.85
7.2.190.0050.01314.94
7.2.180.0030.00914.81
7.2.170.0080.00815.04
7.2.160.0070.00714.94
7.2.150.0060.00917.07
7.2.140.0040.00816.83
7.2.130.0070.00716.85
7.2.120.0080.00916.55
7.2.110.0070.00816.55
7.2.100.0050.01116.78
7.2.90.0050.00916.77
7.2.80.0030.01216.62
7.2.70.0080.00616.72
7.2.60.0050.00916.73
7.2.50.0050.00816.63
7.2.40.0130.00216.60
7.2.30.0070.00616.61
7.2.20.0050.01016.66
7.2.10.0050.00816.71
7.2.00.0050.00817.31
7.1.330.0070.00515.65
7.1.320.0050.00715.63
7.1.310.0070.00415.80
7.1.300.0030.01115.54
7.1.290.0080.00815.79
7.1.280.0010.01015.56
7.1.270.0100.00415.76
7.1.260.0080.00515.70
7.1.250.0100.00215.64
7.1.200.0070.00415.64
7.1.100.0030.01317.87
7.1.70.0030.00317.05
7.1.60.0030.02119.85
7.1.50.0140.01016.74
7.1.00.0030.07022.30
7.0.200.0030.00616.80
7.0.90.0130.05719.92
7.0.80.0230.07319.88
7.0.70.0130.07020.02
7.0.60.0130.07020.00
7.0.50.0100.07720.28
7.0.40.0100.07720.05
7.0.30.0070.07320.11
7.0.20.0230.07020.02
7.0.10.0000.09320.18
7.0.00.0070.09020.14
5.6.280.0070.07020.77
5.6.240.0000.08720.50
5.6.230.0200.05020.68
5.6.220.0100.07720.64
5.6.210.0170.07720.55
5.6.200.0130.06320.93
5.6.190.0030.05721.03
5.6.180.0130.07321.03
5.6.170.0030.08021.13
5.6.160.0030.05721.09
5.6.150.0130.07721.08
5.6.140.0070.04021.04
5.6.130.0070.08021.01
5.6.120.0100.04321.09
5.6.110.0200.07021.09
5.6.100.0170.06321.06
5.6.90.0000.07721.02
5.6.80.0070.08020.39
5.6.70.0070.08320.45
5.6.60.0070.08320.42
5.6.50.0130.07320.33
5.6.40.0070.08020.29
5.6.30.0070.05720.32
5.6.20.0030.08020.31
5.6.10.0030.06320.39
5.6.00.0070.05020.35
5.5.380.0070.08320.56
5.5.370.0030.08720.56
5.5.360.0070.08320.33
5.5.350.0200.07320.45
5.5.340.0070.08320.64
5.5.330.0230.08020.72
5.5.320.0130.05320.89
5.5.310.0000.08720.91
5.5.300.0200.06020.90
5.5.290.0030.07020.76
5.5.280.0200.07720.77
5.5.270.0070.07020.79
5.5.260.0100.08020.85
5.5.250.0070.08020.66
5.5.240.0200.07020.18
5.5.230.0130.04720.25
5.5.220.0030.08020.25
5.5.210.0070.04720.29
5.5.200.0130.07320.23
5.5.190.0070.05320.13
5.5.180.0070.07020.24
5.5.160.0170.06720.22
5.5.150.0000.05720.13
5.5.140.0070.07720.22
5.5.130.0070.07720.18
5.5.120.0070.05320.19
5.5.110.0130.07320.14
5.5.100.0130.07320.08
5.5.90.0100.06320.06
5.5.80.0170.04720.05
5.5.70.0200.06719.93
5.5.60.0170.07320.13
5.5.50.0130.05720.04
5.5.40.0030.08319.98
5.5.30.0100.07320.14
5.5.20.0100.07020.12
5.5.10.0100.08019.97
5.5.00.0070.08020.09

preferences:
56.65 ms | 401 KiB | 5 Q