3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str='\u8bf7\u6c42\u4e2d\u6ca1\u6709'; $str='{"ste":$str}'; print_r(json_decode($str,1));

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)
8.3.60.0100.01016.38
8.3.50.0140.00917.36
8.3.40.0140.00718.54
8.3.30.0100.00318.42
8.3.20.0030.00618.40
8.3.10.0040.00420.54
8.3.00.0080.00019.23
8.2.180.0040.01118.17
8.2.170.0040.01122.96
8.2.160.0030.01020.38
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0060.01219.23
8.2.110.0030.00721.11
8.2.100.0000.01117.78
8.2.90.0000.00920.62
8.2.80.0080.00017.91
8.2.70.0090.00317.38
8.2.60.0110.00017.79
8.2.50.0000.00918.07
8.2.40.0040.00418.16
8.2.30.0030.00617.90
8.2.20.0040.00419.33
8.2.10.0040.00417.64
8.2.00.0050.00217.61
8.1.280.0110.00425.92
8.1.270.0030.00524.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.32
8.1.230.0060.00620.83
8.1.220.0040.00417.74
8.1.210.0040.00418.91
8.1.200.0000.00817.36
8.1.190.0060.00317.39
8.1.180.0040.00418.10
8.1.170.0040.00418.76
8.1.160.0040.00418.88
8.1.150.0000.00718.57
8.1.140.0000.00717.39
8.1.130.0000.00717.81
8.1.120.0030.00317.39
8.1.110.0000.00717.37
8.1.100.0000.00717.24
8.1.90.0020.00517.40
8.1.80.0070.00017.42
8.1.70.0040.00417.27
8.1.60.0080.00017.52
8.1.50.0000.00717.30
8.1.40.0070.00017.37
8.1.30.0040.00417.59
8.1.20.0040.00417.56
8.1.10.0030.00517.39
8.1.00.0030.00517.37
8.0.300.0040.00420.04
8.0.290.0070.00016.63
8.0.280.0040.00418.25
8.0.270.0000.00817.18
8.0.260.0030.00316.75
8.0.250.0060.00016.90
8.0.240.0040.00416.89
8.0.230.0040.00416.90
8.0.220.0070.00016.84
8.0.210.0070.00016.80
8.0.200.0030.00316.98
8.0.190.0040.00416.91
8.0.180.0050.00316.78
8.0.170.0060.00316.73
8.0.160.0000.00816.73
8.0.150.0070.00016.82
8.0.140.0090.00316.76
8.0.130.0030.00313.34
8.0.120.0040.00416.70
8.0.110.0000.00716.81
8.0.100.0000.01016.61
8.0.90.0020.00516.86
8.0.80.0060.00916.86
8.0.70.0030.00416.64
8.0.60.0040.00416.77
8.0.50.0050.00216.80
8.0.30.0170.00516.83
8.0.20.0150.00317.02
8.0.10.0030.00516.90
8.0.00.0120.00916.68
7.4.330.0000.00512.93
7.4.320.0000.00916.54
7.4.300.0000.00616.51
7.4.290.0000.00716.52
7.4.280.0000.00716.57
7.4.270.0030.00316.45
7.4.260.0030.00313.20
7.4.250.0040.00416.52
7.4.240.0000.00816.52
7.4.230.0030.00316.18
7.4.220.0110.00816.37
7.4.210.0050.01016.46
7.4.200.0040.00416.23
7.4.190.0040.00416.38
7.4.160.0100.00716.16
7.4.150.0090.00916.23
7.4.140.0080.00816.40
7.4.130.0130.00616.45
7.4.120.0080.01016.45
7.4.110.0060.01216.50
7.4.100.0090.01216.40
7.4.90.0120.00916.31
7.4.80.0130.00716.53
7.4.70.0110.00516.23
7.4.60.0150.01016.70
7.4.50.0030.00616.41
7.4.40.0030.01016.14
7.4.30.0130.00716.52
7.4.00.0040.01214.90
7.3.330.0070.00013.05
7.3.320.0060.00012.98
7.3.310.0000.00716.06
7.3.300.0030.00316.02
7.3.290.0060.00916.13
7.3.280.0090.00816.13
7.3.270.0140.00316.03
7.3.260.0060.01216.22
7.3.250.0070.01016.28
7.3.240.0070.01616.18
7.3.230.0120.00616.15
7.3.210.0090.00916.29
7.3.200.0090.00919.39
7.3.190.0060.01416.15
7.3.180.0150.00616.32
7.3.170.0110.00516.05
7.3.160.0120.00616.40
7.3.120.0060.00914.88
7.2.330.0100.00716.56
7.2.320.0150.00316.51
7.2.310.0140.01016.50
7.2.300.0070.01016.43
7.2.290.0130.00316.30
7.2.00.0060.01218.96
7.1.200.0120.00015.52
7.1.100.0030.01018.01
7.1.70.0040.00417.10
7.1.60.0100.01319.40
7.1.50.0070.01416.61
7.1.00.0030.08022.43
7.0.200.0140.00314.58
7.0.140.0070.07021.97
7.0.120.0070.07022.18
7.0.60.0030.08319.85
7.0.50.0100.07717.89
7.0.40.0170.06317.74
7.0.30.0130.06317.69
7.0.20.0100.07717.75
7.0.10.0070.05317.79
7.0.00.0100.08317.79
5.6.280.0000.07720.91
5.6.210.0070.04020.47
5.6.200.0070.07718.23
5.6.190.0030.08018.18
5.6.180.0000.06018.12
5.6.170.0100.08318.15
5.6.160.0070.08018.11
5.6.150.0000.05318.18
5.6.140.0100.03718.22
5.6.130.0070.08018.10
5.6.120.0070.05318.08
5.6.110.0100.05718.11
5.6.100.0070.04718.19
5.6.90.0030.04318.20
5.6.80.0130.07017.50
5.6.70.0030.04717.59
5.6.60.0070.07717.54
5.6.50.0170.07017.57
5.6.40.0100.07317.52
5.6.30.0070.03717.48
5.6.20.0170.07017.47
5.6.10.0030.05717.47
5.6.00.0100.07717.43
5.5.350.0200.08320.46
5.5.340.0130.06718.01
5.5.330.0000.09018.01
5.5.320.0000.07317.88
5.5.310.0230.06317.96
5.5.300.0170.03718.01
5.5.290.0070.04317.88
5.5.280.0070.04018.02
5.5.270.0030.05017.98
5.5.260.0030.07717.93
5.5.250.0100.08017.79
5.5.240.0030.07717.27
5.5.230.0030.04317.28
5.5.220.0070.08317.26
5.5.210.0130.06017.30
5.5.200.0070.04317.38
5.5.190.0030.04317.37
5.5.180.0070.05017.35
5.5.160.0030.08317.30
5.5.150.0130.04717.30
5.5.140.0030.08317.26
5.5.130.0100.06017.26
5.5.120.0100.04017.36
5.5.110.0070.04317.33
5.5.100.0030.03717.21
5.5.90.0030.04017.26
5.5.80.0070.03317.23
5.5.70.0000.04017.26
5.5.60.0070.03317.25
5.5.50.0070.03317.11
5.5.40.0030.03717.16
5.5.30.0030.03717.14
5.5.20.0030.03717.15
5.5.10.0000.04017.13
5.5.00.0000.04017.25
5.4.450.0130.03319.15
5.4.440.0130.07319.45
5.4.430.0030.08019.41
5.4.420.0030.07019.31
5.4.410.0030.04019.29
5.4.400.0000.08719.02
5.4.390.0100.04318.89
5.4.380.0100.07319.12
5.4.370.0170.06319.07
5.4.360.0030.06019.07
5.4.350.0070.07319.01
5.4.340.0130.07318.95
5.4.320.0030.07019.09
5.4.310.0030.05718.98
5.4.300.0100.05719.11
5.4.290.0070.04319.00
5.4.280.0000.06719.14
5.4.270.0130.07319.03
5.4.260.0000.06319.09
5.4.250.0100.03318.95
5.4.240.0030.04018.84
5.4.230.0030.03718.88
5.4.220.0030.03719.00
5.4.210.0030.03718.98
5.4.200.0070.03719.08
5.4.190.0100.03019.21
5.4.180.0030.03719.01
5.4.170.0030.03719.08
5.4.160.0100.03018.97
5.4.150.0000.04019.19
5.4.140.0030.03316.36
5.4.130.0000.03716.32
5.4.120.0000.03716.36
5.4.110.0070.03716.29
5.4.100.0000.03716.45
5.4.90.0070.03016.18
5.4.80.0030.03316.35
5.4.70.0000.04316.51
5.4.60.0000.03716.17
5.4.50.0070.03316.22
5.4.40.0000.03716.32
5.4.30.0070.03016.38
5.4.20.0000.03716.38
5.4.10.0100.02716.38
5.4.00.0030.03315.62
5.3.290.0170.07014.63
5.3.280.0030.03714.58
5.3.270.0000.04014.43
5.3.260.0000.04714.56
5.3.250.0030.03314.58
5.3.240.0000.05014.57
5.3.230.0070.03314.42
5.3.220.0130.03714.50
5.3.210.0030.03714.55
5.3.200.0000.04014.54
5.3.190.0100.03314.49
5.3.180.0030.03314.50
5.3.170.0070.03014.55
5.3.160.0000.03714.50
5.3.150.0000.03714.52
5.3.140.0030.03314.38
5.3.130.0100.04014.53
5.3.120.0030.03714.50
5.3.110.0030.03714.50
5.3.100.0000.03714.02
5.3.90.0000.04713.97
5.3.80.0100.04013.92
5.3.70.0100.05713.95
5.3.60.0030.04313.92
5.3.50.0130.07013.71
5.3.40.0100.04713.86
5.3.30.0070.05313.89
5.3.20.0030.07313.46
5.3.10.0130.03313.39
5.3.00.0000.04313.71
5.2.170.0070.05710.93
5.2.160.0100.02711.12
5.2.150.0070.05011.07
5.2.140.0070.05711.10
5.2.130.0070.05011.10
5.2.120.0070.05311.09
5.2.110.0030.02710.92
5.2.100.0030.06010.99
5.2.90.0100.03311.09
5.2.80.0070.02711.06
5.2.70.0070.05711.23
5.2.60.0030.06710.88
5.2.50.0030.03711.00
5.2.40.0070.03710.96
5.2.30.0030.03010.79
5.2.20.0000.03710.75
5.2.10.0100.05010.91
5.2.00.0070.06010.66
5.1.60.0030.0279.95
5.1.50.0000.0539.97
5.1.40.0070.0509.90
5.1.30.0070.05310.36
5.1.20.0000.06310.24
5.1.10.0100.03710.00
5.1.00.0170.0439.90
5.0.50.0100.0338.48
5.0.40.0070.0208.47
5.0.30.0000.0338.13
5.0.20.0000.0278.25
5.0.10.0100.0308.23
5.0.00.0030.0638.19
4.4.90.0030.0337.99
4.4.80.0000.0337.99
4.4.70.0000.0337.99
4.4.60.0000.0337.99
4.4.50.0000.0277.99
4.4.40.0070.0207.99
4.4.30.0030.0337.99
4.4.20.0000.0377.99
4.4.10.0070.0307.99
4.4.00.0000.0577.99
4.3.110.0030.0337.99
4.3.100.0000.0307.99
4.3.90.0030.0277.99
4.3.80.0030.0507.99
4.3.70.0030.0207.99
4.3.60.0000.0237.99
4.3.50.0070.0337.99
4.3.40.0000.0577.99
4.3.30.0030.0337.99
4.3.20.0030.0307.99
4.3.10.0000.0307.99
4.3.00.0000.0277.99

preferences:
41.53 ms | 401 KiB | 5 Q