3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode("龚宏新"));

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)
8.3.60.0120.00916.63
8.3.50.0120.00318.11
8.3.40.0120.00318.51
8.3.30.0140.00718.46
8.3.20.0040.00421.78
8.3.10.0030.00621.67
8.3.00.0090.00019.67
8.2.180.0160.00618.04
8.2.170.0140.00322.96
8.2.160.0100.00322.31
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0070.00019.14
8.2.120.0070.00026.35
8.2.110.0060.00319.34
8.2.100.0040.00817.78
8.2.90.0000.00817.75
8.2.80.0000.00819.61
8.2.70.0000.00817.77
8.2.60.0050.00317.90
8.2.50.0000.00918.10
8.2.40.0000.00720.45
8.2.30.0040.00419.02
8.2.20.0000.00717.92
8.2.10.0000.00817.89
8.2.00.0030.00617.82
8.1.280.0140.00025.92
8.1.270.0000.00723.95
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00319.34
8.1.230.0040.00720.84
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00917.23
8.1.190.0030.00816.85
8.1.180.0080.00018.10
8.1.170.0050.00318.46
8.1.160.0030.00318.76
8.1.150.0030.00320.80
8.1.140.0050.00317.51
8.1.130.0000.00820.72
8.1.120.0030.00617.32
8.1.110.0070.00317.21
8.1.100.0040.00417.20
8.1.90.0090.00017.26
8.1.80.0000.00717.28
8.1.70.0030.00317.29
8.1.60.0060.00617.44
8.1.50.0000.00717.37
8.1.40.0080.00017.26
8.1.30.0040.00417.51
8.1.20.0030.00617.52
8.1.10.0090.00017.36
8.1.00.0030.00617.20
8.0.300.0080.00019.81
8.0.290.0000.00716.63
8.0.280.0030.00318.30
8.0.270.0040.00417.12
8.0.260.0060.00016.99
8.0.250.0040.00416.84
8.0.240.0030.00616.70
8.0.230.0040.00416.84
8.0.220.0000.00716.78
8.0.210.0000.00716.66
8.0.200.0000.00716.82
8.0.190.0030.00516.77
8.0.180.0000.00716.64
8.0.170.0000.00816.66
8.0.160.0050.00216.63
8.0.150.0030.00516.71
8.0.140.0000.00716.55
8.0.130.0030.00313.20
8.0.120.0000.00716.59
8.0.110.0000.00816.59
8.0.100.0000.00716.72
8.0.90.0070.00016.86
8.0.80.0150.00016.74
8.0.70.0070.00016.75
8.0.60.0000.00716.70
8.0.50.0070.00016.75
8.0.30.0130.00716.81
8.0.20.0080.01017.40
8.0.10.0020.00516.98
8.0.00.0080.00916.52
7.4.330.0000.00516.71
7.4.320.0000.00616.29
7.4.300.0000.00716.47
7.4.290.0070.00016.48
7.4.280.0000.00716.40
7.4.270.0030.00716.50
7.4.260.0070.00416.34
7.4.250.0000.00716.40
7.4.240.0000.00816.50
7.4.230.0040.00416.46
7.4.220.0000.00716.25
7.4.210.0040.01116.45
7.4.200.0070.00016.36
7.4.160.0070.01016.31
7.4.140.0100.00817.86
7.4.130.0150.00316.23
7.4.120.0100.00916.34
7.4.110.0130.00316.30
7.4.100.0140.00416.29
7.4.90.0040.01316.43
7.4.80.0080.01219.39
7.4.70.0170.00616.13
7.4.60.0030.01216.40
7.4.50.0040.01516.38
7.4.40.0130.00316.46
7.4.10.0020.01614.68
7.4.00.0060.01214.80
7.3.330.0020.00212.96
7.3.320.0000.00712.85
7.3.310.0050.00215.98
7.3.300.0040.00416.11
7.3.290.0000.00716.01
7.3.280.0120.00816.14
7.3.260.0120.00816.35
7.3.240.0080.01016.22
7.3.230.0080.00816.32
7.3.210.0080.01316.14
7.3.200.0110.00616.42
7.3.190.0080.00916.25
7.3.180.0120.00616.32
7.3.170.0070.01016.41
7.3.160.0140.00716.37
7.3.130.0080.01014.81
7.3.120.0110.00514.87
7.3.110.0050.01314.49
7.3.100.0070.00814.74
7.3.90.0060.00814.60
7.3.80.0070.00714.55
7.3.70.0020.01114.57
7.3.60.0090.00514.71
7.3.50.0050.00814.66
7.3.40.0050.00814.72
7.3.30.0080.00414.68
7.3.20.0050.00716.53
7.3.10.0060.00516.45
7.3.00.0060.01016.48
7.2.330.0130.01316.13
7.2.320.0090.00816.19
7.2.310.0090.01516.14
7.2.300.0070.01116.56
7.2.290.0030.01616.54
7.2.260.0080.00914.85
7.2.250.0100.00714.84
7.2.240.0070.00714.88
7.2.230.0090.00614.68
7.2.220.0080.00814.95
7.2.210.0060.00614.99
7.2.200.0060.00914.62
7.2.190.0050.01014.79
7.2.180.0030.00914.65
7.2.170.0040.00814.78
7.2.160.0070.00714.70
7.2.150.0080.01016.85
7.2.140.0060.00916.67
7.2.130.0070.00916.61
7.2.120.0060.00916.63
7.2.110.0090.00716.71
7.2.100.0060.00716.68
7.2.90.0040.01116.74
7.2.80.0060.00516.68
7.2.70.0060.00716.69
7.2.60.0060.00716.70
7.2.50.0060.00916.58
7.2.40.0220.01116.94
7.2.30.0210.01016.94
7.2.20.0240.00816.80
7.2.10.0250.00816.92
7.2.00.0520.00916.99
7.1.330.0090.00615.65
7.1.320.0050.00515.68
7.1.310.0050.00415.72
7.1.300.0040.00915.72
7.1.290.0050.00815.35
7.1.280.0090.00215.68
7.1.270.0050.00715.72
7.1.260.0050.00715.67
7.1.250.0040.00915.60
7.1.240.0070.00115.69
7.1.230.0070.00915.70
7.1.220.0070.01115.57
7.1.210.0050.00815.67
7.1.200.0070.00415.53
7.1.190.0000.01215.66
7.1.180.0100.00615.55
7.1.170.0070.00815.57
7.1.160.0250.01215.86
7.1.150.0270.00815.90
7.1.140.0290.00716.04
7.1.130.0370.00916.01
7.1.120.0210.00815.99
7.1.110.0250.00615.68
7.1.100.0340.00715.84
7.1.90.0320.01315.81
7.1.80.0320.00715.71
7.1.70.0200.00815.34
7.1.60.0510.00921.54
7.1.50.0330.00821.27
7.1.40.0400.01021.18
7.1.30.0430.00921.20
7.1.20.0350.01221.36
7.1.10.0240.00815.32
7.1.00.0350.00715.32
7.0.330.0060.00615.34
7.0.320.0100.00815.31
7.0.310.0050.00815.24
7.0.300.0080.00515.24
7.0.290.0040.00915.25
7.0.280.0040.01115.21
7.0.270.0070.00515.34
7.0.260.0050.00615.37
7.0.250.0040.00615.30
7.0.240.0090.00715.45
7.0.230.0030.01015.28
7.0.220.0020.01315.29
7.0.210.0000.01015.27
7.0.200.0070.00515.26
7.0.190.0020.01115.26
7.0.180.0030.00915.16
7.0.170.0050.00815.25
7.0.160.0050.00815.36
7.0.150.0060.00515.38
7.0.140.0060.00415.35
7.0.130.0040.00915.21
7.0.120.0030.00715.17
7.0.110.0080.00515.18
7.0.100.0050.00815.02
7.0.90.0050.00515.28
7.0.80.0040.00515.36
7.0.70.0070.00515.19
7.0.60.0070.00515.19
7.0.50.0030.00915.31
7.0.40.0050.00513.33
7.0.30.0050.00813.07
7.0.20.0070.00413.32
7.0.10.0020.00613.30
7.0.00.0060.00613.36
5.6.400.0050.01014.08
5.6.390.0060.00814.22
5.6.380.0030.01314.25
5.6.370.0030.01014.21
5.6.360.0050.00914.24
5.6.350.0060.00614.12
5.6.340.0070.00414.04
5.6.330.0050.00813.89
5.6.320.0070.00514.20
5.6.310.0070.00314.26
5.6.300.0070.01014.25
5.6.290.0080.00513.87
5.6.280.0060.00814.11
5.6.270.0070.00314.04
5.6.260.0070.00714.33
5.6.250.0090.00614.17
5.6.240.0030.01014.21
5.6.230.0030.01414.25
5.6.220.0040.01214.04
5.6.210.0050.00814.37
5.6.200.0060.00614.02
5.6.190.0040.00914.00
5.6.180.0080.00914.26
5.6.170.0050.00414.11
5.6.160.0080.00514.12
5.6.150.0050.00714.02
5.6.140.0060.00613.98
5.6.130.0040.00914.13
5.6.120.0020.01014.26
5.6.110.0040.00614.04
5.6.100.0050.01014.09
5.6.90.0020.00814.00
5.6.80.0030.00913.95
5.6.70.0070.00713.97
5.6.60.0070.00814.08
5.6.50.0100.00413.97
5.6.40.0020.00814.05
5.6.30.0050.00713.84
5.6.20.0080.00313.94
5.6.10.0060.00414.03
5.6.00.0080.00713.95

preferences:
65.37 ms | 400 KiB | 5 Q