3v4l.org

run code in 300+ PHP versions simultaneously
<?php $user = array('name'=>'Parag','email'=>'paragtyagi@gmail.com'); echo $json = json_encode($user);

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)
8.3.60.0080.00616.38
8.3.50.0120.00517.37
8.3.40.0060.00918.60
8.3.30.0040.01118.54
8.3.20.0000.00818.66
8.3.10.0040.00420.48
8.3.00.0060.00319.25
8.2.180.0140.00718.29
8.2.170.0170.00322.96
8.2.160.0030.01020.43
8.2.150.0090.00924.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00019.28
8.2.110.0040.00421.06
8.2.100.0090.00317.72
8.2.90.0030.00620.99
8.2.80.0060.00317.80
8.2.70.0030.00517.62
8.2.60.0070.00017.93
8.2.50.0000.00918.07
8.2.40.0000.00718.22
8.2.30.0040.00417.96
8.2.20.0000.00817.64
8.2.10.0040.00417.64
8.2.00.0050.00317.55
8.1.280.0120.00825.92
8.1.270.0060.00324.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00020.69
8.1.230.0070.00720.95
8.1.220.0040.00417.76
8.1.210.0040.00418.79
8.1.200.0060.00317.35
8.1.190.0040.00417.41
8.1.180.0030.00618.10
8.1.170.0000.00818.86
8.1.160.0080.00018.77
8.1.150.0070.00018.60
8.1.140.0030.00617.31
8.1.130.0030.00317.67
8.1.120.0000.00817.40
8.1.110.0000.00917.34
8.1.100.0030.00317.42
8.1.90.0040.00417.34
8.1.80.0000.00717.27
8.1.70.0070.00017.37
8.1.60.0040.00717.49
8.1.50.0080.00017.25
8.1.40.0040.00417.43
8.1.30.0040.00417.58
8.1.20.0040.00417.46
8.1.10.0040.00417.51
8.1.00.0000.00817.48
8.0.300.0060.00320.02
8.0.290.0070.00016.58
8.0.280.0030.00318.37
8.0.270.0000.00717.25
8.0.260.0000.00716.72
8.0.250.0000.00716.87
8.0.240.0030.00616.83
8.0.230.0000.00716.86
8.0.220.0030.00316.80
8.0.210.0030.00616.89
8.0.200.0060.00016.92
8.0.190.0050.00216.89
8.0.180.0070.00016.87
8.0.170.0000.00816.86
8.0.160.0040.00416.81
8.0.150.0060.00316.76
8.0.140.0040.00416.77
8.0.130.0000.00613.25
8.0.120.0020.00516.79
8.0.110.0040.00416.62
8.0.100.0000.00716.80
8.0.90.0030.00416.79
8.0.80.0070.00716.74
8.0.70.0030.00316.77
8.0.60.0080.00016.74
8.0.50.0000.00816.92
8.0.30.0120.00617.13
8.0.20.0130.00717.01
8.0.10.0080.00016.77
8.0.00.0120.00816.73
7.4.330.0030.00312.85
7.4.320.0070.00016.55
7.4.300.0030.00316.43
7.4.290.0000.00716.32
7.4.280.0000.00916.36
7.4.270.0030.00316.54
7.4.260.0030.00313.21
7.4.250.0040.00416.41
7.4.240.0040.00416.43
7.4.230.0030.00316.27
7.4.220.0120.00616.43
7.4.210.0050.01316.50
7.4.200.0020.00516.64
7.4.190.0070.00016.57
7.4.160.0060.00916.46
7.4.150.0120.00616.35
7.4.140.0100.00916.43
7.4.130.0130.00416.43
7.4.120.0080.00816.38
7.4.110.0070.01016.46
7.4.100.0110.00616.46
7.4.90.0170.00016.48
7.4.80.0200.00319.39
7.4.70.0110.01216.42
7.4.60.0130.00516.31
7.4.50.0070.00016.10
7.4.40.0080.00416.41
7.4.30.0050.01116.21
7.4.00.0070.00714.98
7.3.330.0060.00012.97
7.3.320.0000.00512.92
7.3.310.0030.00516.32
7.3.300.0020.00516.11
7.3.290.0050.01016.16
7.3.280.0050.01116.10
7.3.270.0070.01016.56
7.3.260.0100.00716.13
7.3.250.0120.00716.41
7.3.240.0060.01616.52
7.3.230.0030.01316.21
7.3.210.0170.00316.09
7.3.200.0070.01016.44
7.3.190.0120.00816.24
7.3.180.0100.00716.31
7.3.170.0100.00616.31
7.3.160.0030.01316.30
7.3.120.0080.00814.63
7.3.10.0030.01416.36
7.3.00.0140.00016.38
7.2.330.0130.00316.51
7.2.320.0070.01516.38
7.2.310.0100.01416.44
7.2.300.0070.01716.65
7.2.290.0070.01016.39
7.2.130.0130.00316.37
7.2.120.0130.00316.63
7.2.110.0060.00916.69
7.2.100.0110.00416.86
7.2.90.0070.01016.99
7.2.80.0090.00616.80
7.2.70.0110.00716.87
7.2.60.0080.00716.84
7.2.50.0070.01116.74
7.2.40.0060.00916.72
7.2.30.0110.00716.60
7.2.20.0040.00816.73
7.2.10.0040.01516.89
7.2.00.0060.00518.12
7.1.250.0030.01015.64
7.1.240.0100.00315.51
7.1.230.0100.00715.73
7.1.220.0030.01015.70
7.1.210.0030.00915.28
7.1.200.0040.00915.59
7.1.190.0070.00715.82
7.1.180.0030.01015.70
7.1.170.0000.01515.58
7.1.160.0030.01015.71
7.1.150.0070.00715.85
7.1.140.0030.00615.55
7.1.130.0150.00015.83
7.1.120.0030.01415.65
7.1.110.0030.01015.68
7.1.100.0070.00516.81
7.1.90.0140.00315.78
7.1.80.0030.00615.77
7.1.70.0080.00616.29
7.1.60.0070.01217.53
7.1.50.0010.01216.21
7.1.40.0110.00415.41
7.1.30.0070.01015.66
7.1.20.0090.00615.57
7.1.10.0080.00615.69
7.1.00.0030.03819.00
7.0.330.0000.01315.41
7.0.320.0090.00615.36
7.0.310.0100.00714.89
7.0.300.0040.01115.05
7.0.290.0120.00415.04
7.0.280.0140.00015.01
7.0.270.0070.00415.13
7.0.260.0090.00615.41
7.0.250.0080.00415.22
7.0.240.0080.00015.32
7.0.230.0060.00615.55
7.0.220.0070.01015.12
7.0.210.0030.01515.52
7.0.200.0100.00515.02
7.0.190.0070.01015.21
7.0.180.0130.00315.40
7.0.170.0060.00315.13
7.0.160.0100.00715.48
7.0.150.0030.01015.26
7.0.140.0020.04418.64
7.0.130.0060.00314.88
7.0.120.0090.03918.65
7.0.110.0100.00015.35
7.0.100.0070.00315.28
7.0.90.0330.04218.55
7.0.80.0020.05118.43
7.0.70.0090.04018.55
7.0.60.0040.02618.38
7.0.50.0070.03018.71
7.0.40.0090.04016.71
7.0.30.0020.03516.60
7.0.20.0050.04316.56
7.0.10.0080.02316.78
7.0.00.0070.04516.77
5.6.380.0170.00014.39
5.6.370.0060.00914.07
5.6.360.0000.00914.35
5.6.350.0060.00614.33
5.6.340.0120.00014.13
5.6.330.0060.00614.42
5.6.320.0040.01114.24
5.6.310.0070.00714.15
5.6.300.0040.00713.77
5.6.290.0070.00414.00
5.6.280.0080.03517.62
5.6.270.0030.00614.16
5.6.260.0030.01214.20
5.6.250.0060.00314.48
5.6.240.0060.04317.40
5.6.230.0070.04117.31
5.6.220.0030.03217.41
5.6.210.0070.02617.34
5.6.200.0060.04417.74
5.6.190.0070.02517.58
5.6.180.0050.03217.70
5.6.170.0030.03017.48
5.6.160.0120.02017.57
5.6.150.0090.03517.42
5.6.140.0050.02817.55
5.6.130.0060.04017.78
5.6.120.0100.04317.67
5.6.110.0020.03317.63
5.6.100.0050.02917.49
5.6.90.0050.04417.73
5.6.80.0060.04317.09
5.6.70.0080.04117.21
5.6.60.0030.03517.13
5.6.50.0030.04317.04
5.6.40.0020.04117.22
5.6.30.0120.02217.27
5.6.20.0020.04417.24
5.6.10.0020.04617.14
5.6.00.0050.04317.32
5.5.380.0060.04015.61
5.5.370.0060.04515.81
5.5.360.0050.03015.57
5.5.350.0050.04015.65
5.5.340.0060.02215.88
5.5.330.0050.02215.88
5.5.320.0030.03115.73
5.5.310.0110.02215.85
5.5.300.0100.04015.96
5.5.290.0030.04815.88
5.5.280.0030.04315.82
5.5.270.0050.04615.91
5.5.260.0060.04015.79
5.5.250.0100.02915.89
5.5.240.0070.03915.49
5.5.230.0080.03515.43
5.5.220.0060.02215.52
5.5.210.0030.03115.41
5.5.200.0050.04315.36
5.5.190.0080.03815.35
5.5.180.0030.04315.56
5.5.170.0070.00711.00
5.5.160.0070.02515.45
5.5.150.0060.02815.44
5.5.140.0100.03015.56
5.5.130.0110.03615.54
5.5.120.0070.04015.52
5.5.110.0050.02715.33
5.5.100.0030.02915.55
5.5.90.0100.03815.51
5.5.80.0100.01915.50
5.5.70.0050.02715.46
5.5.60.0100.04015.42
5.5.50.0070.02615.46
5.5.40.0030.04315.49
5.5.30.0050.03715.42
5.5.20.0070.02015.32
5.5.10.0070.03715.51
5.5.00.0030.04115.48
5.4.450.0060.04015.11
5.4.440.0100.04115.08
5.4.430.0090.03615.12
5.4.420.0020.03215.18
5.4.410.0050.03514.99
5.4.400.0070.03614.88
5.4.390.0080.03714.83
5.4.380.0020.04014.74
5.4.370.0050.03514.89
5.4.360.0010.02814.79
5.4.350.0030.03815.09
5.4.340.0050.04014.62
5.4.330.0060.00610.81
5.4.320.0050.04014.85
5.4.310.0050.04115.04
5.4.300.0020.04714.89
5.4.290.0070.04015.02
5.4.280.0030.02515.02
5.4.270.0050.03514.80
5.4.260.0100.03314.79
5.4.250.0030.02514.96
5.4.240.0070.03815.09
5.4.230.0050.02514.88
5.4.220.0030.02514.75
5.4.210.0000.04514.74
5.4.200.0050.02314.83
5.4.190.0070.03814.89
5.4.180.0050.02214.82
5.4.170.0050.03214.96
5.4.160.0070.03914.82
5.4.150.0020.04414.99
5.4.140.0090.02413.42
5.4.130.0070.02813.65
5.4.120.0060.02513.46
5.4.110.0070.03813.55
5.4.100.0080.02313.54
5.4.90.0080.02013.44
5.4.80.0030.04313.61
5.4.70.0020.02413.51
5.4.60.0050.04013.58
5.4.50.0100.03413.45
5.4.40.0100.03513.76
5.4.30.0070.03813.53
5.4.20.0050.03813.62
5.4.10.0070.02813.49
5.4.00.0080.03313.25
5.3.290.0070.04512.46
5.3.280.0040.03412.51
5.3.270.0050.02912.45
5.3.260.0090.03712.40
5.3.250.0080.03812.42
5.3.240.0020.04012.40
5.3.230.0050.04112.49
5.3.220.0090.03812.33
5.3.210.0020.04412.30
5.3.200.0030.04312.35
5.3.190.0090.02612.32
5.3.180.0040.02712.40
5.3.170.0030.02812.49
5.3.160.0050.03912.41
5.3.150.0030.02912.39
5.3.140.0060.03612.36
5.3.130.0090.03512.45
5.3.120.0090.03912.47
5.3.110.0050.02512.50
5.3.100.0100.02212.16
5.3.90.0070.04212.22
5.3.80.0040.02612.12
5.3.70.0080.03812.12
5.3.60.0030.02812.16
5.3.50.0110.03512.05
5.3.40.0090.03412.11
5.3.30.0090.02212.17
5.3.20.0090.03711.88
5.3.10.0060.02811.89
5.3.00.0080.04311.95
5.2.170.0040.02110.57
5.2.160.0060.03510.47
5.2.150.0030.02510.51
5.2.140.0070.03510.54
5.2.130.0020.03510.56
5.2.120.0030.03510.45
5.2.110.0020.02610.51
5.2.100.0070.03310.51
5.2.90.0110.02810.53
5.2.80.0070.03210.42
5.2.70.0030.03010.55
5.2.60.0060.02010.41
5.2.50.0080.03210.40
5.2.40.0060.02210.48
5.2.30.0090.02010.45
5.2.20.0070.01510.47
5.2.10.0040.03010.43
5.2.00.0080.02510.34
5.1.60.0080.0239.97
5.1.50.0070.02810.00
5.1.40.0040.0319.99
5.1.30.0050.02610.18
5.1.20.0050.03210.17
5.1.10.0060.02010.01
5.1.00.0080.01310.01
5.0.50.0020.0189.28
5.0.40.0020.0159.18
5.0.30.0010.0369.01
5.0.20.0080.0209.07
5.0.10.0020.0269.05
5.0.00.0020.0338.98
4.4.90.0050.0118.45
4.4.80.0050.0088.45
4.4.70.0000.0128.45
4.4.60.0050.0178.45
4.4.50.0030.0168.45
4.4.40.0040.0248.45
4.4.30.0050.0108.45
4.4.20.0050.0108.45
4.4.10.0000.0168.45
4.4.00.0020.0308.45
4.3.110.0020.0208.45
4.3.100.0020.0138.45
4.3.90.0030.0198.45
4.3.80.0020.0308.45
4.3.70.0020.0138.45
4.3.60.0020.0178.45
4.3.50.0030.0188.45
4.3.40.0020.0278.45
4.3.30.0020.0228.45
4.3.20.0010.0148.45
4.3.10.0030.0188.45
4.3.00.0030.0208.45

preferences:
39.65 ms | 401 KiB | 5 Q