3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode([]) . PHP_EOL; echo json_encode([], JSON_FORCE_OBJECT) . PHP_EOL; echo json_encode('Hello', JSON_FORCE_OBJECT) . PHP_EOL;

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)
8.3.60.0140.00716.60
8.3.50.0070.00716.48
8.3.40.0150.00618.59
8.3.30.0110.01118.75
8.3.20.0000.00719.96
8.3.10.0080.00023.54
8.3.00.0000.00823.66
8.2.180.0000.01518.16
8.2.170.0070.00722.96
8.2.160.0150.00320.27
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00819.64
8.2.120.0050.00326.35
8.2.110.0030.00720.47
8.2.100.0040.00817.79
8.2.90.0040.00418.89
8.2.80.0050.00317.97
8.2.70.0060.00317.13
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0000.00822.34
8.2.30.0000.00720.50
8.2.20.0040.00417.62
8.2.10.0040.00417.98
8.2.00.0000.00717.83
8.1.280.0070.01025.92
8.1.270.0000.00823.67
8.1.260.0090.00028.09
8.1.250.0000.00728.09
8.1.240.0060.00323.97
8.1.230.0030.00817.58
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.11
8.1.190.0040.00416.99
8.1.180.0030.00618.10
8.1.170.0040.00418.50
8.1.160.0020.00520.69
8.1.150.0000.00718.92
8.1.140.0080.00319.44
8.1.130.0000.00817.54
8.1.120.0070.00017.26
8.1.110.0040.00417.27
8.1.100.0040.00417.27
8.1.90.0040.00417.41
8.1.80.0070.00017.30
8.1.70.0030.00617.32
8.1.60.0050.00317.59
8.1.50.0030.00617.33
8.1.40.0040.00417.46
8.1.30.0040.00417.63
8.1.20.0000.00717.47
8.1.10.0080.00017.43
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0070.00018.31
8.0.270.0070.00017.25
8.0.260.0000.00717.19
8.0.250.0000.00716.80
8.0.240.0060.00316.86
8.0.230.0000.00716.87
8.0.220.0070.00016.84
8.0.210.0000.00716.80
8.0.200.0030.00316.78
8.0.190.0000.00716.95
8.0.180.0050.00316.88
8.0.170.0060.00316.75
8.0.160.0030.00516.93
8.0.150.0000.00716.73
8.0.140.0110.00316.80
8.0.130.0030.00313.29
8.0.120.0040.00416.81
8.0.110.0040.00416.77
8.0.100.0060.00316.88
8.0.90.0000.00716.70
8.0.80.0040.01116.88
8.0.70.0050.00316.86
8.0.60.0070.00016.76
8.0.50.0000.00816.64
8.0.30.0110.00517.00
8.0.20.0100.00917.40
8.0.10.0000.00716.79
8.0.00.0070.01316.73
7.4.330.0020.00216.73
7.4.320.0040.00416.30
7.4.300.0030.00316.46
7.4.290.0060.00316.27
7.4.280.0060.00316.32
7.4.270.0000.00716.27
7.4.260.0000.00716.25
7.4.250.0050.00216.44
7.4.240.0040.00416.48
7.4.230.0000.00716.41
7.4.220.0130.00716.27
7.4.210.0080.00816.45
7.4.200.0030.00316.46
7.4.160.0100.01016.61
7.4.150.0090.00917.40
7.4.140.0070.01017.86
7.4.130.0120.00716.40
7.4.120.0120.00516.45
7.4.110.0110.00716.43
7.4.100.0070.01016.36
7.4.90.0170.00016.37
7.4.80.0080.01319.39
7.4.70.0100.00716.29
7.4.60.0060.01016.30
7.4.50.0100.00716.26
7.4.40.0070.01016.32
7.4.30.0140.00416.32
7.4.10.0070.01014.90
7.4.00.0050.01315.05
7.3.330.0030.00313.03
7.3.320.0030.00312.91
7.3.310.0030.00316.06
7.3.300.0040.00416.19
7.3.290.0000.00716.20
7.3.280.0100.00916.19
7.3.270.0130.00917.40
7.3.260.0070.01716.19
7.3.250.0120.00916.53
7.3.240.0110.00616.34
7.3.230.0060.01216.39
7.3.210.0110.00416.16
7.3.200.0090.00619.39
7.3.190.0060.01016.54
7.3.180.0090.00616.18
7.3.170.0040.01116.59
7.3.160.0070.01016.37
7.3.130.0150.00314.97
7.3.120.0090.00914.47
7.3.110.0100.00714.74
7.3.100.0000.01414.71
7.3.90.0080.00414.57
7.3.80.0000.01715.06
7.3.70.0000.01114.64
7.3.60.0030.01314.74
7.3.50.0000.01414.82
7.3.40.0030.00614.80
7.3.30.0060.00314.55
7.3.20.0030.01316.32
7.3.10.0000.01616.52
7.3.00.0060.00916.57
7.2.330.0140.00616.65
7.2.320.0030.01416.61
7.2.310.0090.00616.20
7.2.300.0130.00616.77
7.2.290.0130.00316.35
7.2.260.0060.01214.88
7.2.250.0070.01115.12
7.2.240.0080.00415.17
7.2.230.0080.00915.05
7.2.220.0040.01414.53
7.2.210.0070.01015.23
7.2.200.0000.01415.05
7.2.190.0110.00414.84
7.2.180.0130.00014.56
7.2.170.0000.01015.14
7.2.160.0070.00714.88
7.2.150.0000.01317.00
7.2.140.0130.00316.95
7.2.130.0030.01216.93
7.2.120.0090.00616.46
7.2.110.0000.01416.93
7.2.100.0060.01116.64
7.2.90.0030.01316.88
7.2.80.0030.01316.85
7.2.70.0070.01016.64
7.2.60.0090.00616.80
7.2.50.0060.00616.71
7.2.40.0030.00716.83
7.2.30.0030.01316.75
7.2.20.0040.01116.86
7.2.10.0060.00616.55
7.2.00.0050.00717.90
7.1.330.0090.00315.58
7.1.320.0030.01315.65
7.1.310.0000.01715.47
7.1.300.0000.01315.48
7.1.290.0070.01015.62
7.1.280.0090.00315.49
7.1.270.0110.00015.71
7.1.260.0090.00615.71
7.1.250.0030.00915.91
7.1.240.0070.00715.50
7.1.230.0090.00615.77
7.1.220.0000.01515.71
7.1.210.0040.01115.56
7.1.200.0060.00515.52
7.1.190.0000.01315.59
7.1.180.0000.00815.59
7.1.170.0030.01115.76
7.1.160.0030.01315.61
7.1.150.0030.00615.89
7.1.140.0060.00715.79
7.1.130.0060.00315.86
7.1.120.0030.01215.48
7.1.110.0060.00915.82
7.1.100.0110.00617.02
7.1.90.0090.00615.73
7.1.80.0030.00915.75
7.1.70.0030.00716.26
7.1.60.0050.01317.44
7.1.50.0120.00616.16
7.1.40.0040.01115.52
7.1.30.0040.01115.85
7.1.20.0060.00815.60
7.1.10.0070.00315.73
7.1.00.0030.04418.92
7.0.330.0000.00915.26
7.0.320.0070.00715.28
7.0.310.0030.00915.39
7.0.300.0070.00715.37
7.0.290.0030.00615.38
7.0.280.0000.01215.33
7.0.270.0080.00015.03
7.0.260.0100.00315.50
7.0.250.0030.00715.46
7.0.240.0000.01115.09
7.0.230.0030.01115.37
7.0.220.0100.00715.27
7.0.210.0030.01015.25
7.0.200.0080.00315.03
7.0.190.0030.00615.18
7.0.180.0060.00615.19
7.0.170.0090.00415.36
7.0.160.0060.00615.40
7.0.150.0030.01015.47
7.0.140.0030.01015.31
7.0.130.0140.00015.24
7.0.120.0070.00715.38
7.0.110.0070.00615.44
7.0.100.0000.01215.30
7.0.90.0070.04417.55
7.0.80.0050.04417.51
7.0.70.0050.04317.51
7.0.60.0070.04917.67
7.0.50.0080.04517.93
7.0.40.0030.03417.04
7.0.30.0050.04216.99
7.0.20.0070.04816.98
7.0.10.0080.04017.01
7.0.00.0080.04517.04
5.6.400.0070.00714.30
5.6.390.0070.00714.22
5.6.380.0000.01513.92
5.6.370.0030.01214.17
5.6.360.0070.00714.34
5.6.350.0100.00714.26
5.6.340.0000.01314.38
5.6.330.0100.00714.07
5.6.320.0030.00714.16
5.6.310.0060.00914.50
5.6.300.0110.00414.14
5.6.290.0080.00413.92
5.6.280.0050.02217.44
5.6.270.0000.01214.35
5.6.260.0060.01014.13
5.6.250.0040.01114.37
5.6.240.0070.04317.41
5.6.230.0070.02517.44
5.6.220.0030.03017.36
5.6.210.0070.02817.29
5.6.200.0120.04217.63
5.6.190.0070.04917.68
5.6.180.0070.04317.73
5.6.170.0050.04017.70
5.6.160.0090.03817.65
5.6.150.0100.03217.88
5.6.140.0070.03917.56
5.6.130.0050.02717.64
5.6.120.0080.04117.68
5.6.110.0090.03917.62
5.6.100.0040.04617.60
5.6.90.0030.03317.59
5.6.80.0080.02417.48
5.6.70.0070.02217.35
5.6.60.0080.02417.36
5.6.50.0060.04017.40
5.6.40.0060.04517.47
5.6.30.0100.02417.41
5.6.20.0090.02317.19
5.6.10.0040.02317.35
5.6.00.0070.04217.38
5.5.380.0050.04217.41
5.5.370.0080.04017.27
5.5.360.0080.03017.22
5.5.350.0050.04317.34
5.5.340.0060.04617.60
5.5.330.0080.04017.66
5.5.320.0070.04017.55
5.5.310.0050.02617.39
5.5.300.0080.04017.55
5.5.290.0030.03717.36
5.5.280.0050.02317.46
5.5.270.0110.03717.51
5.5.260.0020.04217.45
5.5.250.0030.05017.39
5.5.240.0070.02317.08
5.5.230.0050.03117.13
5.5.220.0070.02716.98
5.5.210.0100.03617.10
5.5.200.0120.03717.06
5.5.190.0050.03817.03
5.5.180.0030.04817.29
5.5.170.0000.01114.28
5.5.160.0090.03517.19
5.5.150.0050.02317.25
5.5.140.0070.02217.17
5.5.130.0070.02717.12
5.5.120.0040.03717.10
5.5.110.0120.03717.13
5.5.100.0050.04217.16
5.5.90.0080.04017.14
5.5.80.0090.03317.12
5.5.70.0050.03317.14
5.5.60.0050.04316.92
5.5.50.0050.03917.12
5.5.40.0090.03517.20
5.5.30.0120.03317.21
5.5.20.0060.03917.01
5.5.10.0080.04017.08
5.5.00.0130.03517.06

preferences:
43 ms | 401 KiB | 5 Q