3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array ('a'=>1,'b'=>2,'c'=>3,'d'=>4,'e'=>5); echo json_encode($arr);

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)
8.3.60.0100.00718.18
8.3.50.0120.00521.98
8.3.40.0150.00418.58
8.3.30.0030.01019.02
8.3.20.0000.00720.21
8.3.10.0000.00822.16
8.3.00.0050.00322.34
8.2.180.0090.00616.60
8.2.170.0070.00722.96
8.2.160.0070.01020.68
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0060.00617.50
8.2.110.0060.00322.21
8.2.100.0080.00419.51
8.2.90.0050.00319.07
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0030.00717.93
8.2.50.0040.00418.07
8.2.40.0040.00418.34
8.2.30.0000.00817.99
8.2.20.0050.00317.57
8.2.10.0080.00017.51
8.2.00.0000.00817.66
8.1.280.0180.00025.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0000.00923.96
8.1.230.0000.01219.10
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0030.00717.13
8.1.190.0050.00317.41
8.1.180.0000.00918.67
8.1.170.0070.00318.30
8.1.160.0040.00421.98
8.1.150.0000.00718.45
8.1.140.0030.00617.28
8.1.130.0000.00717.77
8.1.120.0000.00717.27
8.1.110.0080.00017.36
8.1.100.0040.00417.43
8.1.90.0030.00417.45
8.1.80.0000.00717.39
8.1.70.0030.00317.31
8.1.60.0090.00317.39
8.1.50.0050.00217.50
8.1.40.0070.00017.34
8.1.30.0040.00417.61
8.1.20.0030.00517.56
8.1.10.0060.00317.37
8.1.00.0050.00317.46
8.0.300.0070.00018.77
8.0.290.0040.00417.18
8.0.280.0030.00318.34
8.0.270.0000.00817.30
8.0.260.0030.00316.82
8.0.250.0060.00016.89
8.0.240.0030.00617.00
8.0.230.0030.00316.80
8.0.220.0070.00016.86
8.0.210.0000.00716.87
8.0.200.0070.00016.73
8.0.190.0000.00716.78
8.0.180.0000.00816.86
8.0.170.0030.00516.80
8.0.160.0040.00416.72
8.0.150.0060.00316.71
8.0.140.0040.00416.75
8.0.130.0030.00313.29
8.0.120.0000.00816.76
8.0.110.0040.00416.88
8.0.100.0000.00816.79
8.0.90.0050.00216.82
8.0.80.0060.01216.80
8.0.70.0040.00416.66
8.0.60.0000.00716.93
8.0.50.0000.00716.75
8.0.30.0090.01016.92
8.0.20.0140.00417.40
8.0.10.0000.00716.91
8.0.00.0050.01516.85
7.4.330.0000.00515.00
7.4.320.0030.00316.44
7.4.300.0020.00516.54
7.4.290.0030.00616.43
7.4.280.0070.00016.51
7.4.270.0040.00416.53
7.4.260.0070.00016.31
7.4.250.0000.00816.48
7.4.240.0020.00516.53
7.4.230.0030.00316.36
7.4.220.0090.00916.43
7.4.210.0120.00816.45
7.4.200.0000.00816.42
7.4.190.0030.00316.47
7.4.160.0130.00616.42
7.4.150.0090.01217.40
7.4.140.0050.01417.86
7.4.130.0150.00216.46
7.4.120.0100.00716.43
7.4.110.0030.01316.43
7.4.100.0120.00616.46
7.4.90.0150.00916.34
7.4.80.0060.01119.39
7.4.70.0070.01016.33
7.4.60.0110.00716.26
7.4.50.0090.00016.57
7.4.40.0050.00522.77
7.4.30.0040.01516.29
7.4.00.0070.01014.86
7.3.330.0060.00012.98
7.3.320.0000.00612.86
7.3.310.0000.00916.06
7.3.300.0060.00016.14
7.3.290.0070.00716.15
7.3.280.0050.01416.14
7.3.270.0080.00917.40
7.3.260.0170.00416.21
7.3.250.0060.01016.16
7.3.240.0070.01616.46
7.3.230.0000.01516.39
7.3.210.0090.00616.37
7.3.200.0100.00716.27
7.3.190.0060.01216.18
7.3.180.0120.00316.28
7.3.170.0030.01716.27
7.3.160.0100.00716.11
7.3.120.0030.01314.93
7.2.330.0130.00416.40
7.2.320.0060.01016.28
7.2.310.0060.01216.55
7.2.300.0070.01516.52
7.2.290.0000.01616.55
7.2.110.0180.00616.40
7.2.100.0220.01016.55
7.2.90.0140.00016.22
7.2.80.0090.00616.46
7.2.70.0150.00316.94
7.2.60.0160.00316.86
7.2.50.0120.00616.84
7.2.40.0130.00516.63
7.2.30.0280.00916.78
7.2.20.0180.00316.48
7.2.10.0160.00416.48
7.2.00.0110.00518.02
7.1.230.0080.00515.69
7.1.220.0140.00415.78
7.1.210.0150.00015.68
7.1.200.0110.00415.58
7.1.190.0380.00415.73
7.1.180.0090.00915.61
7.1.170.0260.00615.67
7.1.160.0110.00415.70
7.1.150.0070.00715.76
7.1.140.0120.00515.75
7.1.130.0280.00815.47
7.1.120.0110.00715.59
7.1.110.0130.00415.83
7.1.100.0150.00217.07
7.1.90.0070.01015.83
7.1.80.0120.00315.71
7.1.70.0090.00616.35
7.1.60.0120.00617.87
7.1.50.0120.01016.41
7.1.40.0140.00715.89
7.1.30.0090.01315.86
7.1.20.0140.00615.90
7.1.10.0050.00515.63
7.1.00.0130.04019.05
7.0.310.0270.00915.41
7.0.300.0110.00815.48
7.0.290.0040.01315.07
7.0.280.0130.00315.16
7.0.270.0150.00315.25
7.0.260.0130.00515.34
7.0.250.0130.00415.13
7.0.240.0270.00815.52
7.0.230.0130.00015.19
7.0.220.0090.00615.34
7.0.210.0040.01215.36
7.0.200.0070.00516.17
7.0.190.0100.00015.27
7.0.180.0160.00415.48
7.0.170.0120.00315.15
7.0.160.0080.00815.43
7.0.150.0100.00715.39
7.0.140.0090.03818.78
7.0.130.0120.00315.21
7.0.120.0100.01015.39
7.0.110.0140.00315.18
7.0.100.0080.00815.23
7.0.90.0130.02217.58
7.0.80.0260.03617.40
7.0.70.0210.03617.61
7.0.60.0230.02417.61
7.0.50.0240.04517.83
7.0.40.0080.02216.76
7.0.30.0080.02216.72
7.0.20.0070.02116.79
7.0.10.0060.02016.74
7.0.00.0120.02216.77
5.6.380.0140.00014.37
5.6.370.0110.01114.35
5.6.360.0100.01014.13
5.6.350.0080.00413.93
5.6.340.0120.00614.35
5.6.330.0100.00514.36
5.6.320.0120.00414.48
5.6.310.0070.00614.34
5.6.300.0100.00614.29
5.6.290.0100.00714.15
5.6.280.0060.04217.62
5.6.270.0070.01114.21
5.6.260.0140.00013.95
5.6.250.0090.00614.59
5.6.240.0080.04317.45
5.6.230.0050.02417.56
5.6.220.0140.03917.46
5.6.210.0090.02217.46
5.6.200.0040.02617.70
5.6.190.0130.01717.69
5.6.180.0080.03617.69
5.6.170.0100.04317.73
5.6.160.0100.04017.67
5.6.150.0060.04417.62
5.6.140.0060.03117.62
5.6.130.0100.03017.55
5.6.120.0090.02417.67
5.6.110.0070.02317.56
5.6.100.0110.03817.62
5.6.90.0060.03317.72
5.6.80.0070.02217.34
5.6.70.0080.02017.25
5.6.60.0070.02417.41
5.6.50.0050.02117.17
5.6.40.0060.02217.44
5.6.30.0060.02317.27
5.6.20.0120.01617.26
5.6.10.0020.02317.23
5.6.00.0100.01817.31
5.5.380.0070.02516.58
5.5.370.0020.02716.57
5.5.360.0060.02616.55
5.5.350.0040.02516.56
5.5.340.0060.03016.85
5.5.330.0100.03316.83
5.5.320.0100.02316.84
5.5.310.0160.03316.77
5.5.300.0030.02316.83
5.5.290.0080.03816.76
5.5.280.0070.02316.79
5.5.270.0050.04216.77
5.5.260.0050.03816.84
5.5.250.0070.02316.73
5.5.240.0090.02216.40
5.5.230.0070.02216.49
5.5.220.0040.02316.49
5.5.210.0090.01516.53
5.5.200.0050.02416.45
5.5.190.0080.01816.52
5.5.180.0110.01616.51
5.5.170.0130.00414.29
5.5.160.0000.02516.54
5.5.150.0090.01516.49
5.5.140.0100.01516.43
5.5.130.0090.02816.48
5.5.120.0070.01716.53
5.5.110.0110.02016.49
5.5.100.0050.03216.40
5.5.90.0050.02016.41
5.5.80.0050.02416.45
5.5.70.0040.02116.36
5.5.60.0020.02316.43
5.5.50.0070.02016.47
5.5.40.0060.02016.44
5.5.30.0040.02116.35
5.5.20.0050.02216.39
5.5.10.0070.02316.39
5.5.00.0070.01816.38
5.4.450.0080.03315.96
5.4.440.0030.03515.96
5.4.430.0060.04116.17
5.4.420.0070.02516.08
5.4.410.0030.02816.03
5.4.400.0060.03315.79
5.4.390.0070.02215.91
5.4.380.0060.02115.88
5.4.370.0060.01915.84
5.4.360.0060.02015.88
5.4.350.0070.02015.85
5.4.340.0040.02715.91
5.4.330.0070.00712.79
5.4.320.0040.01915.92
5.4.310.0050.01815.98
5.4.300.0110.01315.95
5.4.290.0080.01815.93
5.4.280.0030.03015.91
5.4.270.0070.01915.81
5.4.260.0070.02015.87
5.4.250.0050.02515.93
5.4.240.0080.02115.96
5.4.230.0040.02315.86
5.4.220.0080.02615.95
5.4.210.0070.01715.88
5.4.200.0060.02115.94
5.4.190.0060.01815.90
5.4.180.0040.01915.90
5.4.170.0040.02115.91
5.4.160.0120.01515.93
5.4.150.0070.01816.00
5.4.140.0050.02114.40
5.4.130.0120.01314.50
5.4.120.0030.02014.53
5.4.110.0100.01314.57
5.4.100.0100.01214.50
5.4.90.0060.01714.57
5.4.80.0070.01514.49
5.4.70.0070.01514.56
5.4.60.0100.01314.57
5.4.50.0060.02014.54
5.4.40.0040.01814.56
5.4.30.0060.01714.51
5.4.20.0040.01914.53
5.4.10.0070.01814.55
5.4.00.0060.02014.23
5.3.290.0100.01513.71
5.3.280.0060.02013.69
5.3.270.0040.02113.65
5.3.260.0020.02113.62
5.3.250.0060.01713.61
5.3.240.0080.01513.62
5.3.230.0070.01613.66
5.3.220.0090.01613.65
5.3.210.0070.02313.67
5.3.200.0040.01913.66
5.3.190.0050.02213.61
5.3.180.0070.01813.67
5.3.170.0080.01513.63
5.3.160.0060.01713.65
5.3.150.0060.01813.65
5.3.140.0080.01713.65
5.3.130.0060.01713.65
5.3.120.0090.01513.66
5.3.110.0070.01713.63
5.3.100.0070.01613.32
5.3.90.0040.01913.33
5.3.80.0040.02313.40
5.3.70.0030.02013.40
5.3.60.0040.03313.32
5.3.50.0110.03313.24
5.3.40.0120.03413.37
5.3.30.0090.03313.33
5.3.20.0050.04113.22
5.3.10.0030.03013.21
5.3.00.0080.03513.21
5.2.170.0040.01711.88
5.2.160.0050.03011.96
5.2.150.0050.02511.96
5.2.140.0020.03011.92
5.2.130.0070.02711.90
5.2.120.0060.02311.86
5.2.110.0000.01811.86
5.2.100.0030.02311.94
5.2.90.0030.01611.96
5.2.80.0050.02511.93
5.2.70.0030.03511.85
5.2.60.0060.01311.89
5.2.50.0030.01511.88
5.2.40.0070.01111.80
5.2.30.0070.02811.90
5.2.20.0020.02011.83
5.2.10.0050.01811.85
5.2.00.0060.02011.71
5.1.60.0060.01211.39
5.1.50.0020.02211.38
5.1.40.0060.01711.39
5.1.30.0070.02811.59
5.1.20.0040.02211.54
5.1.10.0060.02811.44
5.1.00.0060.01111.42
5.0.50.0040.01010.70
5.0.40.0070.01510.60
5.0.30.0030.01810.53
5.0.20.0030.01510.53
5.0.10.0010.01010.50
5.0.00.0060.02010.47
4.4.90.0020.00710.04
4.4.80.0020.02210.04
4.4.70.0020.01510.04
4.4.60.0020.01810.04
4.4.50.0030.01110.04
4.4.40.0020.01610.04
4.4.30.0030.02110.04
4.4.20.0020.01010.04
4.4.10.0060.01610.04
4.4.00.0020.01310.04
4.3.110.0030.01010.04
4.3.100.0020.00910.04
4.3.90.0030.00810.04
4.3.80.0000.02810.04
4.3.70.0050.01610.04
4.3.60.0070.01310.04
4.3.50.0020.00810.04
4.3.40.0070.01010.04
4.3.30.0000.01010.04
4.3.20.0030.02010.04
4.3.10.0010.00810.04
4.3.00.0010.01010.04

preferences:
27.87 ms | 401 KiB | 5 Q