3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( 2378107417=>"8", 2909966995=>"6", 3511241473=>"5", 1884062190=>"5", 5188467195=>"4", 5459260341=>"3", ); $str = json_encode($arr,JSON_UNESCAPED_UNICODE); var_dump($str);

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)
8.3.40.0070.00718.42
8.3.30.0150.00018.88
8.3.20.0030.00520.05
8.3.10.0080.00021.89
8.3.00.0080.00020.93
8.2.170.0110.00322.96
8.2.160.0100.00320.35
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.50
8.2.110.0030.01321.05
8.2.100.0110.00017.78
8.2.90.0080.00019.14
8.2.80.0040.00417.97
8.2.70.0110.00017.13
8.2.60.0050.00317.80
8.2.50.0030.00618.10
8.2.40.0040.00419.82
8.2.30.0020.00517.99
8.2.20.0000.00817.51
8.2.10.0080.00018.05
8.2.00.0040.00419.42
8.1.270.0060.00318.82
8.1.260.0000.00726.35
8.1.250.0030.00628.09
8.1.240.0140.00423.92
8.1.230.0000.01417.69
8.1.220.0050.00317.76
8.1.210.0050.00518.77
8.1.200.0030.00617.23
8.1.190.0000.00817.10
8.1.180.0030.00518.10
8.1.170.0040.00418.59
8.1.160.0030.00321.93
8.1.150.0100.00018.84
8.1.140.0000.00817.34
8.1.130.0030.00317.92
8.1.120.0000.00717.34
8.1.110.0040.00417.27
8.1.100.0000.00717.38
8.1.90.0000.00717.27
8.1.80.0040.00417.39
8.1.70.0070.00017.31
8.1.60.0000.01017.50
8.1.50.0030.00617.33
8.1.40.0030.00517.44
8.1.30.0030.00617.57
8.1.20.0040.00417.52
8.1.10.0000.00717.28
8.1.00.0030.00617.30
8.0.300.0000.00718.77
8.0.290.0050.00516.63
8.0.280.0080.00018.24
8.0.270.0000.00717.18
8.0.260.0000.00717.19
8.0.250.0030.00316.91
8.0.240.0070.00016.83
8.0.230.0000.00716.89
8.0.220.0070.00016.71
8.0.210.0030.00516.80
8.0.200.0070.00016.77
8.0.190.0030.00316.89
8.0.180.0050.00216.82
8.0.170.0020.00516.77
8.0.160.0070.00016.87
8.0.150.0040.00416.84
8.0.140.0000.00716.76
8.0.130.0000.00613.23
8.0.120.0000.00816.66
8.0.110.0000.00716.83
8.0.100.0040.00416.70
8.0.90.0000.00716.93
8.0.80.0030.01716.70
8.0.70.0040.00416.77
8.0.60.0080.00016.66
8.0.50.0040.00416.80
8.0.30.0110.01017.06
8.0.20.0070.01617.40
8.0.10.0040.00416.82
8.0.00.0080.00816.62
7.4.330.0060.00015.03
7.4.320.0060.00016.39
7.4.300.0060.00016.49
7.4.290.0000.00716.43
7.4.280.0000.00716.47
7.4.270.0030.00316.40
7.4.260.0030.00316.34
7.4.250.0000.00816.32
7.4.240.0040.00416.47
7.4.230.0030.00316.55
7.4.220.0090.00916.43
7.4.210.0140.00416.38
7.4.200.0070.00016.54
7.4.160.0120.00316.53
7.4.150.0230.00417.40
7.4.140.0130.00617.86
7.4.130.0070.01016.41
7.4.120.0110.00616.42
7.4.110.0030.02016.39
7.4.100.0090.01516.29
7.4.90.0030.01416.40
7.4.80.0120.00619.39
7.4.70.0070.01016.21
7.4.60.0150.00916.29
7.4.50.0000.00416.29
7.4.40.0100.00716.35
7.4.30.0140.00416.35
7.4.10.0060.00615.01
7.4.00.0070.00714.72
7.3.330.0060.00012.98
7.3.320.0090.00612.89
7.3.310.0000.00716.08
7.3.300.0030.00316.12
7.3.290.0030.00316.09
7.3.280.0070.01116.11
7.3.270.0120.00917.40
7.3.260.0080.00916.44
7.3.250.0100.00816.37
7.3.240.0110.00716.43
7.3.230.0030.01516.39
7.3.210.0120.00616.31
7.3.200.0090.01219.39
7.3.190.0030.01316.35
7.3.180.0080.00816.18
7.3.170.0130.00916.27
7.3.160.0120.00416.12
7.3.130.0060.01214.73
7.3.120.0140.00714.57
7.3.110.0070.01114.84
7.3.100.0140.00014.85
7.3.90.0060.01014.89
7.3.80.0130.00614.60
7.3.70.0030.01414.66
7.3.60.0110.00014.77
7.3.50.0000.01114.80
7.3.40.0040.00714.59
7.3.30.0040.00414.53
7.3.20.0070.00716.70
7.3.10.0070.01016.59
7.3.00.0120.00316.50
7.2.330.0070.01116.67
7.2.320.0110.01016.61
7.2.310.0140.00316.58
7.2.300.0070.01016.51
7.2.290.0130.01016.43
7.2.260.0040.01814.69
7.2.250.0070.01015.04
7.2.240.0090.00615.02
7.2.230.0070.01115.06
7.2.220.0100.01014.61
7.2.210.0120.00414.82
7.2.200.0030.00614.53
7.2.190.0040.01514.78
7.2.180.0090.00314.58
7.2.170.0030.01014.95
7.2.160.0030.01215.02
7.2.150.0080.00816.39
7.2.140.0100.00716.66
7.2.130.0100.00316.73
7.2.120.0110.01016.81
7.2.110.0070.01116.49
7.2.100.0110.00816.48
7.2.90.0100.00716.65
7.2.80.0110.01016.55
7.2.70.0110.00616.71
7.2.60.0110.00616.67
7.2.50.0150.00916.68
7.2.40.0130.00816.73
7.2.30.0130.00616.74
7.2.20.0080.00716.59
7.2.10.0090.01016.68
7.2.00.0100.00517.31
7.1.330.0110.00315.82
7.1.320.0000.02015.77
7.1.310.0100.00315.73
7.1.300.0040.00415.46
7.1.290.0100.00615.78
7.1.280.0080.00415.61
7.1.270.0030.01215.68
7.1.260.0070.01015.70
7.1.250.0050.01415.58
7.1.240.0090.00615.72
7.1.230.0040.00915.77
7.1.220.0100.00315.58
7.1.210.0070.00915.58
7.1.200.0090.00415.55
7.1.190.0040.00815.64
7.1.180.0080.00715.53
7.1.170.0080.00715.72
7.1.160.0030.00915.80
7.1.150.0090.00615.80
7.1.140.0020.01115.71
7.1.130.0070.00415.74
7.1.120.0030.00915.80
7.1.110.0090.00315.66
7.1.100.0090.00715.85
7.1.90.0070.00715.72
7.1.80.0080.00915.73
7.1.70.0080.00316.27
7.1.60.0100.00917.09
7.1.50.0090.01116.09
7.1.40.0110.00415.69
7.1.30.0060.00615.87
7.1.20.0070.00715.70
7.1.10.0020.00915.73
7.1.00.0030.03117.97
7.0.330.0060.00915.53
7.0.320.0130.00015.43
7.0.310.0040.01115.32
7.0.300.0020.01315.34
7.0.290.0090.00515.28
7.0.280.0070.00615.12
7.0.270.0090.00315.18
7.0.260.0050.00715.30
7.0.250.0110.00315.44
7.0.240.0050.00815.26
7.0.230.0030.01015.27
7.0.220.0050.00615.21
7.0.210.0040.00715.30
7.0.200.0120.00615.17
7.0.190.0080.00615.39
7.0.180.0080.00515.43
7.0.170.0090.00215.30
7.0.160.0050.00415.41
7.0.150.0060.00615.38
7.0.140.0060.02217.74
7.0.130.0040.00615.45
7.0.120.0030.00515.43
7.0.110.0000.01315.45
7.0.100.0040.00715.34
7.0.90.0050.01716.86
7.0.80.0170.01916.90
7.0.70.0040.01816.82
7.0.60.0160.01816.89
7.0.50.0210.02516.94
7.0.40.0080.02915.46
7.0.30.0030.02315.75
7.0.20.0100.03015.63
7.0.10.0050.02515.65
7.0.00.0050.03115.63
5.6.400.0030.01414.18
5.6.390.0090.00914.10
5.6.380.0050.00814.20
5.6.370.0090.00514.26
5.6.360.0090.00514.14
5.6.350.0040.00814.26
5.6.340.0100.00414.11
5.6.330.0080.00614.04
5.6.320.0090.00514.01
5.6.310.0070.00714.22
5.6.300.0060.00514.13
5.6.290.0050.00614.15
5.6.280.0070.02616.54
5.6.270.0050.00514.38
5.6.260.0050.01014.25
5.6.250.0050.00514.25
5.6.240.0050.02216.32
5.6.230.0040.01916.25
5.6.220.0090.02116.21
5.6.210.0050.01916.31
5.6.200.0050.03016.45
5.6.190.0060.03416.52
5.6.180.0060.02316.46
5.6.170.0040.03116.40
5.6.160.0040.03516.45
5.6.150.0030.03416.65
5.6.140.0040.03216.49
5.6.130.0070.02916.58
5.6.120.0040.03016.59
5.6.110.0060.02716.46
5.6.100.0040.02616.43
5.6.90.0060.03316.53
5.6.80.0060.03016.11
5.6.70.0080.01716.19
5.6.60.0050.03016.08
5.6.50.0080.02516.27
5.6.40.0090.02616.17
5.6.30.0080.02816.13
5.6.20.0090.03016.20
5.6.10.0050.03416.15
5.6.00.0070.02716.33
5.5.380.0060.02715.50
5.5.370.0040.01715.55
5.5.360.0060.01615.46
5.5.350.0050.02215.52
5.5.340.0060.03315.63
5.5.330.0060.01715.65
5.5.320.0020.03415.58
5.5.310.0020.02415.58
5.5.300.0030.03215.55
5.5.290.0080.02915.65
5.5.280.0040.02115.73
5.5.270.0060.03215.62
5.5.260.0110.02115.65
5.5.250.0100.02115.49
5.5.240.0100.02615.43
5.5.230.0090.02015.38
5.5.220.0080.02315.39
5.5.210.0040.02515.36
5.5.200.0060.03015.45
5.5.190.0050.02215.35
5.5.180.0030.03415.36
5.5.170.0030.00914.02
5.5.160.0020.03515.28
5.5.150.0050.02115.41
5.5.140.0060.03015.43
5.5.130.0040.02515.37
5.5.120.0060.02115.44
5.5.110.0050.01715.47
5.5.100.0070.02515.35
5.5.90.0050.03115.38
5.5.80.0030.03215.35
5.5.70.0060.02915.27
5.5.60.0050.02715.30
5.5.50.0040.01715.43
5.5.40.0100.02515.39
5.5.30.0050.03115.33
5.5.20.0040.02415.34
5.5.10.0090.02615.29
5.5.00.0070.02915.43
5.4.450.0060.02214.12
5.4.440.0070.01514.04
5.4.430.0060.02414.13
5.4.420.0090.02814.00
5.4.410.0060.02614.00
5.4.400.0090.01813.76
5.4.390.0070.02213.98
5.4.380.0070.02813.97
5.4.370.0040.02613.92
5.4.360.0060.01813.86
5.4.350.0100.02413.86
5.4.340.0080.02813.85
5.4.330.0030.00511.37
5.4.320.0080.02613.81
5.4.310.0080.02913.79
5.4.300.0080.01413.90
5.4.290.0110.02914.02
5.4.280.0060.01613.83
5.4.270.0060.02613.94
5.4.260.0090.02713.96
5.4.250.0040.02713.99
5.4.240.0070.02813.91
5.4.230.0080.02513.82
5.4.220.0050.02913.92
5.4.210.0040.01613.91
5.4.200.0070.02013.89
5.4.190.0040.02813.88
5.4.180.0060.02713.83
5.4.170.0050.03013.79
5.4.160.0060.02813.87
5.4.150.0040.02613.97
5.4.140.0030.02812.90
5.4.130.0050.01612.94
5.4.120.0050.01512.95
5.4.110.0070.02912.97
5.4.100.0050.02012.96
5.4.90.0080.02312.98
5.4.80.0060.02812.97
5.4.70.0010.02612.96
5.4.60.0050.02613.02
5.4.50.0060.02812.94
5.4.40.0080.02812.96
5.4.30.0030.03013.02
5.4.20.0020.03113.06
5.4.10.0040.03013.08
5.4.00.0080.01512.88
5.3.290.0060.04013.31
5.3.280.0060.03013.26
5.3.270.0070.02713.19
5.3.260.0090.04013.27
5.3.250.0040.04013.25
5.3.240.0130.03213.26
5.3.230.0040.02613.21
5.3.220.0070.03713.26
5.3.210.0050.02213.26
5.3.200.0060.04113.24
5.3.190.0070.03713.25
5.3.180.0060.02613.26
5.3.170.0060.02913.18
5.3.160.0100.03713.25
5.3.150.0080.03513.26
5.3.140.0100.03413.24
5.3.130.0090.03513.24
5.3.120.0070.02813.16
5.3.110.0100.03513.18
5.3.100.0110.03712.99
5.3.90.0080.02812.94
5.3.80.0050.02412.91
5.3.70.0090.03012.99
5.3.60.0050.03812.95
5.3.50.0130.03012.84
5.3.40.0040.02612.92
5.3.30.0070.03912.92
5.3.20.0110.03512.75
5.3.10.0030.04012.74
5.3.00.0040.02912.78
5.2.170.0090.03011.55
5.2.160.0070.02711.58
5.2.150.0060.03211.58
5.2.140.0040.03111.48
5.2.130.0070.02811.45
5.2.120.0020.03111.51
5.2.110.0100.03011.56
5.2.100.0070.03111.45
5.2.90.0020.02611.55
5.2.80.0060.03311.44
5.2.70.0080.02111.53
5.2.60.0050.02911.42
5.2.50.0050.03611.48
5.2.40.0070.03211.40
5.2.30.0050.03211.38
5.2.20.0060.03111.36
5.2.10.0040.02311.43
5.2.00.0040.03111.37
5.1.60.0020.01810.92
5.1.50.0050.02310.92
5.1.40.0040.02910.97
5.1.30.0040.02511.18
5.1.20.0050.02511.17
5.1.10.0030.02211.04
5.1.00.0080.03011.00
5.0.50.0030.01910.28
5.0.40.0020.02510.18
5.0.30.0020.03710.03
5.0.20.0050.01310.11
5.0.10.0020.02310.11
5.0.00.0040.01810.10
4.4.90.0060.0169.47
4.4.80.0060.0159.47
4.4.70.0020.0189.47
4.4.60.0020.0189.47
4.4.50.0030.0209.47
4.4.40.0070.0269.47
4.4.30.0030.0199.47
4.4.20.0010.0139.47
4.4.10.0010.0219.47
4.4.00.0050.0209.47
4.3.110.0060.0139.47
4.3.100.0050.0139.47
4.3.90.0000.0149.47
4.3.80.0080.0129.47
4.3.70.0010.0189.47
4.3.60.0000.0219.47
4.3.50.0050.0179.47
4.3.40.0030.0209.47
4.3.30.0000.0209.47
4.3.20.0030.0109.47
4.3.10.0020.0089.47
4.3.00.0020.0119.47

preferences:
50.47 ms | 400 KiB | 5 Q