3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new StdClass(); echo json_encode($a) . PHP_EOL; echo json_encode($a,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)
8.3.60.0140.00016.75
8.3.50.0100.00822.07
8.3.40.0070.01018.57
8.3.30.0030.01018.88
8.3.20.0070.00320.09
8.3.10.0030.00621.74
8.3.00.0100.00020.74
8.2.180.0140.00716.63
8.2.170.0100.00722.96
8.2.160.0100.00720.22
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.77
8.2.110.0040.00422.20
8.2.100.0080.00317.91
8.2.90.0080.00019.22
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0070.00318.03
8.2.50.0050.00318.07
8.2.40.0000.00818.13
8.2.30.0000.00818.02
8.2.20.0030.00517.65
8.2.10.0040.00417.98
8.2.00.0000.00717.47
8.1.280.0110.00425.92
8.1.270.0040.01520.69
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0100.00023.81
8.1.230.0070.00419.05
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0090.00317.35
8.1.190.0080.00017.21
8.1.180.0000.00818.10
8.1.170.0000.00718.49
8.1.160.0040.00422.00
8.1.150.0070.00018.79
8.1.140.0050.00317.34
8.1.130.0050.00317.80
8.1.120.0000.00717.46
8.1.110.0070.00017.39
8.1.100.0020.00517.35
8.1.90.0070.00017.47
8.1.80.0000.00717.37
8.1.70.0000.00617.33
8.1.60.0090.00017.51
8.1.50.0050.00317.39
8.1.40.0030.00517.47
8.1.30.0040.00417.61
8.1.20.0040.00417.55
8.1.10.0030.00617.48
8.1.00.0080.00017.35
8.0.300.0060.00320.73
8.0.290.0000.00716.75
8.0.280.0000.00718.29
8.0.270.0050.00317.29
8.0.260.0000.00617.24
8.0.250.0080.00016.95
8.0.240.0030.00316.88
8.0.230.0030.00316.80
8.0.220.0000.00716.91
8.0.210.0030.00316.85
8.0.200.0030.00616.95
8.0.190.0000.00817.01
8.0.180.0070.00016.79
8.0.170.0040.00416.79
8.0.160.0030.00316.87
8.0.150.0030.00316.80
8.0.140.0070.00016.80
8.0.130.0050.00513.38
8.0.120.0040.00416.78
8.0.110.0070.00016.71
8.0.100.0040.00416.77
8.0.90.0000.00716.75
8.0.80.0030.01216.84
8.0.70.0000.00716.66
8.0.60.0000.00716.77
8.0.50.0070.00016.71
8.0.30.0110.00817.00
8.0.20.0130.01317.40
8.0.10.0000.00716.71
8.0.00.0150.00316.58
7.4.330.0030.00315.03
7.4.320.0040.00416.42
7.4.300.0000.00616.50
7.4.290.0040.00416.43
7.4.280.0000.00716.32
7.4.270.0000.00716.36
7.4.260.0050.00216.48
7.4.250.0030.00316.45
7.4.240.0060.00116.47
7.4.230.0000.00716.60
7.4.220.0060.01216.50
7.4.210.0080.00816.40
7.4.200.0000.00716.46
7.4.160.0060.00916.50
7.4.150.0100.01317.40
7.4.140.0130.00817.86
7.4.130.0130.00716.46
7.4.120.0150.00516.45
7.4.110.0030.01416.52
7.4.100.0090.01216.52
7.4.90.0070.01116.49
7.4.80.0110.01116.48
7.4.70.0090.00916.39
7.4.60.0090.00916.31
7.4.50.0040.00416.15
7.4.40.0100.00716.26
7.4.30.0100.00716.42
7.4.00.0090.00314.80
7.3.330.0000.00612.99
7.3.320.0090.00312.87
7.3.310.0030.00316.27
7.3.300.0030.00316.21
7.3.290.0030.00316.15
7.3.280.0100.00716.17
7.3.270.0070.01017.40
7.3.260.0070.01416.51
7.3.250.0150.00416.20
7.3.240.0030.01316.20
7.3.230.0060.01216.39
7.3.210.0090.00616.29
7.3.200.0160.00719.39
7.3.190.0100.01016.45
7.3.180.0110.00516.55
7.3.170.0130.00916.27
7.3.160.0090.01216.36
7.3.10.0040.01116.33
7.3.00.0070.00716.54
7.2.330.0060.01216.50
7.2.320.0100.01016.23
7.2.310.0030.01516.70
7.2.300.0100.00616.78
7.2.290.0120.00616.69
7.2.130.0030.00616.75
7.2.120.0060.00616.63
7.2.110.0070.00716.81
7.2.100.0070.00716.78
7.2.90.0060.00916.73
7.2.80.0070.01116.79
7.2.70.0060.00616.89
7.2.60.0040.01116.63
7.2.50.0070.00416.98
7.2.40.0070.01016.83
7.2.30.0090.00617.03
7.2.20.0060.00616.78
7.2.10.0100.00716.82
7.2.00.0060.00618.21
7.1.250.0080.00815.74
7.1.240.0030.01215.94
7.1.230.0040.00415.67
7.1.220.0000.01515.81
7.1.210.0060.00315.79
7.1.200.0060.00815.65
7.1.190.0140.00315.85
7.1.180.0000.01215.75
7.1.170.0030.01015.70
7.1.160.0000.01515.42
7.1.150.0030.01215.74
7.1.140.0080.00315.52
7.1.130.0060.00615.55
7.1.120.0030.00715.76
7.1.110.0100.00315.84
7.1.100.0060.00816.89
7.1.90.0080.00315.57
7.1.80.0030.00815.73
7.1.70.0020.00916.18
7.1.60.0120.00717.68
7.1.50.0030.01016.11
7.1.40.0070.00715.74
7.1.30.0110.00315.64
7.1.20.0070.01015.61
7.1.10.0080.00815.66
7.1.00.0100.04019.10
7.0.330.0060.00815.36
7.0.320.0030.01015.31
7.0.310.0050.01415.42
7.0.300.0070.00715.40
7.0.290.0080.00815.07
7.0.280.0070.00715.37
7.0.270.0050.00915.41
7.0.260.0060.00915.29
7.0.250.0080.00415.03
7.0.240.0070.00715.36
7.0.230.0070.00715.24
7.0.220.0150.00015.45
7.0.210.0060.01215.08
7.0.200.0130.00515.15
7.0.190.0070.01115.32
7.0.180.0140.00515.33
7.0.170.0070.00715.39
7.0.160.0080.00815.52
7.0.150.0070.01115.60
7.0.140.0020.02518.72
7.0.130.0140.00015.38
7.0.120.0030.01215.08
7.0.110.0040.00415.43
7.0.100.0040.01115.30
7.0.90.0140.03217.53
7.0.80.0130.03517.59
7.0.70.0100.03517.52
7.0.60.0020.04617.55
7.0.50.0060.04417.79
7.0.40.0130.03716.83
7.0.30.0080.04416.67
7.0.20.0060.02916.80
7.0.10.0080.04416.85
7.0.00.0030.03316.86
5.6.380.0000.01414.34
5.6.370.0120.00414.16
5.6.360.0030.00614.40
5.6.350.0100.00014.34
5.6.340.0030.00614.55
5.6.330.0100.00314.56
5.6.320.0100.00314.41
5.6.310.0080.00414.06
5.6.300.0030.00914.08
5.6.290.0130.00314.01
5.6.280.0020.04417.59
5.6.270.0000.00814.07
5.6.260.0100.00313.92
5.6.250.0120.00314.23
5.6.240.0020.04917.51
5.6.230.0130.03017.52
5.6.220.0090.04217.43
5.6.210.0020.04917.38
5.6.200.0030.04617.71
5.6.190.0150.03417.61
5.6.180.0080.04617.80
5.6.170.0050.04517.55
5.6.160.0050.04817.63
5.6.150.0120.03617.58
5.6.140.0080.04117.60
5.6.130.0030.04817.51
5.6.120.0100.04017.64
5.6.110.0050.04417.70
5.6.100.0030.04217.71
5.6.90.0060.04117.70
5.6.80.0080.04017.43
5.6.70.0030.04517.41
5.6.60.0090.03917.35
5.6.50.0000.04317.24
5.6.40.0020.03417.22
5.6.30.0110.02917.21
5.6.20.0050.04517.26
5.6.10.0030.04917.44
5.6.00.0060.04017.27
5.5.380.0040.04415.68
5.5.370.0080.03715.65
5.5.360.0030.04315.81
5.5.350.0080.04115.71
5.5.340.0020.04416.07
5.5.330.0100.03915.89
5.5.320.0100.04215.80
5.5.310.0020.04515.82
5.5.300.0050.04315.92
5.5.290.0050.03816.08
5.5.280.0080.03915.82
5.5.270.0000.04615.91
5.5.260.0070.03915.88
5.5.250.0090.04015.78
5.5.240.0100.02015.59
5.5.230.0050.03815.61
5.5.220.0070.02615.53
5.5.210.0070.03315.58
5.5.200.0100.03315.61
5.5.190.0060.03715.46
5.5.180.0050.03815.60
5.5.170.0000.00810.89
5.5.160.0030.04015.28
5.5.150.0080.03815.50
5.5.140.0130.03315.56
5.5.130.0030.04215.49
5.5.120.0050.02515.55
5.5.110.0090.03615.50
5.5.100.0020.04615.44
5.5.90.0050.03815.59
5.5.80.0150.03515.52
5.5.70.0000.03315.41
5.5.60.0080.03815.44
5.5.50.0050.03215.55
5.5.40.0070.03715.56
5.5.30.0170.02515.60
5.5.20.0070.03415.60
5.5.10.0070.04015.37
5.5.00.0100.02815.54
5.4.450.0040.04415.23
5.4.440.0110.03715.20
5.4.430.0070.02515.06
5.4.420.0050.04315.29
5.4.410.0030.04215.11
5.4.400.0080.03814.80
5.4.390.0090.03715.01
5.4.380.0140.03114.89
5.4.370.0080.04014.98
5.4.360.0100.03714.98
5.4.350.0090.04014.91
5.4.340.0070.03515.01
5.4.330.0000.01311.04
5.4.320.0050.02814.94
5.4.310.0100.02215.11
5.4.300.0080.03514.84
5.4.290.0110.03514.99
5.4.280.0060.03614.83
5.4.270.0060.02115.02
5.4.260.0050.04214.90
5.4.250.0120.03714.93
5.4.240.0030.04414.96
5.4.230.0090.04015.01
5.4.220.0080.03315.00
5.4.210.0080.03814.76
5.4.200.0020.04214.86
5.4.190.0000.04314.89
5.4.180.0020.04314.86
5.4.170.0070.02814.99
5.4.160.0070.03214.85
5.4.150.0070.04114.91
5.4.140.0060.03813.68
5.4.130.0030.03513.59
5.4.120.0100.03313.58
5.4.110.0050.04013.54
5.4.100.0070.04013.51
5.4.90.0030.03913.62
5.4.80.0140.03313.51
5.4.70.0070.03713.58
5.4.60.0120.03513.67
5.4.50.0030.04313.60
5.4.40.0090.03613.56
5.4.30.0050.03713.52
5.4.20.0050.03813.64
5.4.10.0030.02713.45
5.4.00.0050.03413.32
5.3.290.0020.04312.60
5.3.280.0050.03812.39
5.3.270.0080.02012.59
5.3.260.0000.02712.46
5.3.250.0050.04012.52
5.3.240.0070.03812.46
5.3.230.0100.02812.51
5.3.220.0080.04012.39
5.3.210.0040.04012.31
5.3.200.0070.02312.38
5.3.190.0110.01712.38
5.3.180.0090.03812.47
5.3.170.0030.04412.45
5.3.160.0080.03812.43
5.3.150.0070.03512.47
5.3.140.0020.04212.38
5.3.130.0070.02712.53
5.3.120.0030.03112.46
5.3.110.0080.02812.48
5.3.100.0050.03012.18
5.3.90.0000.03712.21
5.3.80.0030.02712.03
5.3.70.0060.02212.03
5.3.60.0050.02512.06
5.3.50.0050.03712.09
5.3.40.0050.03512.11
5.3.30.0050.03812.12
5.3.20.0050.03711.95
5.3.10.0070.03711.79
5.3.00.0100.03711.86
5.2.170.0050.03210.55
5.2.160.0050.02310.51
5.2.150.0030.03310.46
5.2.140.0050.03110.53
5.2.130.0100.02010.51
5.2.120.0020.03410.54
5.2.110.0030.02310.44
5.2.100.0020.02210.52
5.2.90.0070.02310.49
5.2.80.0020.01910.54
5.2.70.0010.03610.47
5.2.60.0050.02310.39
5.2.50.0050.02810.47
5.2.40.0020.03210.44
5.2.30.0050.03210.42
5.2.20.0030.03310.36
5.2.10.0030.03310.36
5.2.00.0060.02010.27
5.1.60.0070.0279.91
5.1.50.0050.0159.95
5.1.40.0050.0139.98
5.1.30.0040.01710.15
5.1.20.0060.02810.17
5.1.10.0020.02910.04
5.1.00.0000.03410.02
5.0.50.0020.0259.27
5.0.40.0030.0129.08
5.0.30.0030.0339.09
5.0.20.0070.0159.07
5.0.10.0030.0219.06
5.0.00.0050.0188.98
4.4.90.0010.0188.62
4.4.80.0020.0158.62
4.4.70.0050.0128.62
4.4.60.0020.0208.62
4.4.50.0020.0208.62
4.4.40.0030.0258.62
4.4.30.0030.0108.62
4.4.20.0020.0208.62
4.4.10.0020.0208.62
4.4.00.0090.0228.62
4.3.110.0050.0138.62
4.3.100.0000.0228.62
4.3.90.0030.0138.62
4.3.80.0050.0258.62
4.3.70.0040.0128.62
4.3.60.0000.0228.62
4.3.50.0020.0228.62
4.3.40.0020.0278.62
4.3.30.0000.0208.62
4.3.20.0020.0188.62
4.3.10.0050.0138.62
4.3.00.0050.0178.62

preferences:
50.48 ms | 401 KiB | 5 Q