3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'abc'; debug_zval_dump($a{4});

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)
8.3.40.0070.00718.67
8.3.30.0060.00818.66
8.3.20.0000.00818.48
8.3.10.0040.00420.54
8.3.00.0030.00517.25
8.2.170.0140.00022.96
8.2.160.0140.00020.43
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.64
8.2.110.0040.00419.26
8.2.100.0080.00417.59
8.2.90.0000.00818.92
8.2.80.0000.00817.97
8.2.70.0050.00317.38
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0000.00918.16
8.2.30.0000.00717.85
8.2.20.0080.00017.58
8.2.10.0000.00717.42
8.2.00.0000.00717.46
8.1.270.0000.00824.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00322.19
8.1.230.0070.00320.99
8.1.220.0000.00918.77
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0000.00717.38
8.1.180.0050.00318.10
8.1.170.0000.00918.84
8.1.160.0050.00318.77
8.1.150.0000.00918.50
8.1.140.0040.00417.36
8.1.130.0000.00817.80
8.1.120.0000.00717.25
8.1.110.0080.00017.30
8.1.100.0000.00817.29
8.1.90.0030.00317.35
8.1.80.0000.00917.32
8.1.70.0030.00317.27
8.1.60.0040.00417.41
8.1.50.0090.00017.34
8.1.40.0070.00017.28
8.1.30.0000.00817.50
8.1.20.0040.00417.47
8.1.10.0000.00717.26
8.1.00.0040.00417.22
8.0.300.0030.00319.85
8.0.290.0000.00816.63
8.0.280.0030.00318.27
8.0.270.0000.00717.13
8.0.260.0060.00316.73
8.0.250.0000.00716.91
8.0.240.0060.00316.76
8.0.230.0070.00016.89
8.0.220.0080.00016.70
8.0.210.0030.00316.70
8.0.200.0040.00416.86
8.0.190.0040.00416.91
8.0.180.0040.00416.88
8.0.170.0030.00616.73
8.0.160.0070.00016.78
8.0.150.0030.00616.87
8.0.140.0040.00416.61
8.0.130.0030.00313.23
8.0.120.0040.00416.67
8.0.110.0030.00516.80
8.0.100.0000.00716.85
8.0.90.0000.00716.68
8.0.80.0060.01016.78
8.0.70.0000.00716.70
8.0.60.0000.00716.70
8.0.50.0000.00916.81
8.0.30.0060.01216.92
8.0.20.0110.00817.13
8.0.10.0040.00416.80
8.0.00.0100.00816.57
7.4.330.0000.00514.72
7.4.320.0050.00216.52
7.4.300.0030.00316.52
7.4.290.0030.00316.43
7.4.280.0050.00316.43
7.4.270.0040.00416.46
7.4.260.0020.00213.28
7.4.250.0000.00716.44
7.4.240.0000.00716.39
7.4.230.0030.00316.55
7.4.220.0040.01416.53
7.4.210.0080.00716.53
7.4.200.0000.00716.27
7.4.190.0070.00016.47
7.4.160.0000.01616.47
7.4.150.0100.00717.07
7.4.140.0130.00617.18
7.4.130.0100.00716.47
7.4.120.0110.00716.49
7.4.110.0080.00916.55
7.4.100.0140.00416.46
7.4.90.0060.01216.55
7.4.80.0160.00018.63
7.4.70.0080.00816.29
7.4.60.0120.00516.36
7.4.50.0040.00023.17
7.4.40.0050.00521.69
7.4.30.0090.01216.51
7.4.10.0000.01815.10
7.4.00.0060.01214.86
7.3.330.0060.00013.05
7.3.320.0000.00513.19
7.3.310.0060.00316.35
7.3.300.0030.00316.09
7.3.290.0130.00316.21
7.3.280.0030.01316.29
7.3.270.0130.00317.07
7.3.260.0100.00618.24
7.3.250.0170.00116.34
7.3.240.0100.00616.29
7.3.230.0100.01016.43
7.3.210.0030.01316.41
7.3.200.0150.00919.39
7.3.190.0160.00716.25
7.3.180.0030.01216.52
7.3.170.0140.00316.39
7.3.160.0070.00716.30
7.3.130.0060.01315.03
7.3.120.0060.01014.84
7.3.110.0080.01014.58
7.3.100.0050.01014.80
7.3.90.0100.00414.99
7.3.80.0060.00515.02
7.3.70.0020.01214.66
7.3.60.0060.00714.64
7.3.50.0050.00514.60
7.3.40.0050.00514.62
7.3.30.0060.00414.85
7.3.20.0060.00816.45
7.3.10.0080.00616.54
7.3.00.0040.00716.65
7.2.330.0060.01016.42
7.2.320.0080.00816.39
7.2.310.0090.00916.66
7.2.300.0070.01016.27
7.2.290.0110.00516.24
7.2.260.0030.01515.13
7.2.250.0080.01114.99
7.2.240.0060.01115.02
7.2.230.0020.01214.81
7.2.220.0120.00215.05
7.2.210.0050.00615.06
7.2.200.0070.00514.87
7.2.190.0050.00714.86
7.2.180.0080.00314.96
7.2.170.0060.00614.74
7.2.160.0070.00714.82
7.2.150.0000.01416.87
7.2.140.0060.00616.78
7.2.130.0070.01016.93
7.2.120.0110.00716.73
7.2.110.0100.01016.67
7.2.100.0060.00616.87
7.2.90.0150.00416.56
7.2.80.0040.01616.80
7.2.70.0060.00916.97
7.2.60.0100.00716.83
7.2.50.0100.00016.89
7.2.40.0070.00416.77
7.2.30.0090.00916.78
7.2.20.0030.01016.88
7.2.10.0070.00316.88
7.2.00.0060.00916.96
7.1.330.0080.00615.78
7.1.320.0080.00815.71
7.1.310.0120.00215.81
7.1.300.0080.00515.88
7.1.290.0020.01315.74
7.1.280.0020.01015.69
7.1.270.0060.00815.73
7.1.260.0070.00515.65
7.1.250.0130.00315.84
7.1.240.0070.01015.77
7.1.230.0070.01015.54
7.1.220.0040.01115.87
7.1.210.0140.00415.64
7.1.200.0040.00815.68
7.1.190.0060.00615.87
7.1.180.0030.01115.58
7.1.170.0070.00415.88
7.1.160.0060.00615.57
7.1.150.0000.00915.73
7.1.140.0040.00815.83
7.1.130.0060.00315.50
7.1.120.0080.00415.80
7.1.110.0140.00015.96
7.1.100.0080.00815.99
7.1.90.0140.00315.92
7.1.80.0070.00715.76
7.1.70.0060.00616.32
7.1.60.0050.01417.60
7.1.50.0050.01216.31
7.1.40.0110.00315.90
7.1.30.0060.00315.84
7.1.20.0030.01215.66
7.1.10.0040.00715.83
7.1.00.0070.04019.15
7.0.330.0110.00415.32
7.0.320.0040.00715.29
7.0.310.0140.00315.32
7.0.300.0040.00815.52
7.0.290.0030.01315.23
7.0.280.0040.01115.39
7.0.270.0030.00615.35
7.0.260.0030.00615.17
7.0.250.0080.00315.38
7.0.240.0070.00415.49
7.0.230.0040.00415.43
7.0.220.0090.00915.30
7.0.210.0030.00715.38
7.0.200.0030.00815.86
7.0.190.0110.00415.16
7.0.180.0060.00915.32
7.0.170.0030.01315.39
7.0.160.0090.00915.36
7.0.150.0040.00415.37
7.0.140.0060.03618.86
7.0.130.0100.00315.38
7.0.120.0070.02318.65
7.0.110.0060.01215.10
7.0.100.0030.01415.30
7.0.90.0040.00715.47
7.0.80.0100.00715.41
7.0.70.0110.00715.37
7.0.60.0010.04117.55
7.0.50.0060.04416.75
7.0.40.0080.03716.63
7.0.30.0170.04416.77
7.0.20.0200.04316.91
7.0.10.0120.03016.80
7.0.00.0080.04516.73
5.6.400.0100.00714.19
5.6.390.0090.00614.19
5.6.380.0090.00614.49
5.6.370.0040.00714.49
5.6.360.0030.00714.46
5.6.350.0080.00314.06
5.6.340.0030.00614.20
5.6.330.0000.01014.04
5.6.320.0090.00014.18
5.6.310.0030.01114.21
5.6.300.0000.01214.49
5.6.290.0030.01014.47
5.6.280.0020.04417.74
5.6.270.0060.00914.27
5.6.260.0070.01014.29
5.6.250.0040.01514.30
5.6.240.0030.00914.42
5.6.230.0080.00814.19
5.6.220.0030.01014.17
5.6.210.0030.04517.38
5.6.200.0050.04416.25
5.6.190.0060.05017.31
5.6.180.0140.02517.17
5.6.170.0080.02517.40
5.6.160.0070.02417.39
5.6.150.0000.03516.20
5.6.140.0130.03816.27
5.6.130.0030.04316.21
5.6.120.0040.04617.65
5.6.110.0130.04217.56
5.6.100.0070.03417.50
5.6.90.0020.03017.55
5.6.80.0070.04317.18
5.6.70.1930.02517.26
5.6.60.0110.00014.23
5.6.50.0060.00814.41
5.6.40.0070.00714.19
5.6.30.0030.00914.38
5.6.20.0030.00914.21
5.6.10.0030.00914.26
5.6.00.0070.00714.03
5.5.380.0040.00813.86
5.5.370.0040.01114.27
5.5.360.0060.00614.17
5.5.350.0190.04217.21
5.5.340.0080.02516.10
5.5.330.0100.03217.17
5.5.320.0050.02717.16
5.5.310.0140.02317.17
5.5.300.0050.03616.08
5.5.290.0030.04716.27
5.5.280.0060.02417.54
5.5.270.0130.03217.37
5.5.260.0080.04517.43
5.5.250.0090.04317.29
5.5.240.0100.03417.06
5.5.230.0040.00713.99
5.5.220.0070.00413.96
5.5.210.0080.00614.10
5.5.200.0040.00414.14
5.5.190.0100.00014.05
5.5.180.0080.00713.97
5.5.170.0060.01014.00
5.5.160.0080.00314.15
5.5.150.0000.01613.92
5.5.140.0070.00714.17
5.5.130.0030.00614.13
5.5.120.0030.00914.20
5.5.110.0070.00313.96
5.5.100.0100.01014.13
5.5.90.0070.01314.20
5.5.80.0100.00714.00
5.5.70.0080.00413.89
5.5.60.0070.01014.21
5.5.50.0120.00414.20
5.5.40.0060.00314.14
5.5.30.0040.00713.95
5.5.20.0070.00714.05
5.5.10.0000.01314.16
5.5.00.0030.01113.90
5.4.450.0030.03615.16
5.4.440.0040.03915.13
5.4.430.0030.03315.31
5.4.420.0020.03415.31
5.4.410.0030.03615.21
5.4.400.0050.04014.96
5.4.390.0070.02515.03
5.4.380.0030.03015.05
5.4.370.0020.02814.99
5.4.360.0050.04115.04
5.4.350.0030.03814.97
5.4.340.0030.03614.88
5.4.330.0000.01210.85
5.4.320.0050.04314.96
5.4.310.0030.03714.99
5.4.300.0030.04114.94
5.4.290.0080.02514.97
5.4.280.0050.02614.95
5.4.270.0070.02915.03
5.4.260.0020.04015.00
5.4.250.0010.04114.92
5.4.240.0030.02114.90
5.4.230.0050.04115.05
5.4.220.0050.04114.82
5.4.210.0060.02614.96
5.4.200.0040.02115.00
5.4.190.0030.02614.96
5.4.180.0010.02414.88
5.4.170.0000.03115.05
5.4.160.0050.02714.96
5.4.150.0050.02415.03
5.4.140.0020.02113.62
5.4.130.0070.02313.64
5.4.120.0050.03013.52
5.4.110.0070.02213.61
5.4.100.0060.03713.62
5.4.90.0000.04413.67
5.4.80.0060.02713.57
5.4.70.0020.03513.61
5.4.60.0030.03113.67
5.4.50.0000.04213.53
5.4.40.0030.03013.60
5.4.30.0050.03513.69
5.4.20.0050.03713.44
5.4.10.0050.03813.48
5.4.00.0070.02513.45
5.3.290.0030.04412.73
5.3.280.0070.04012.76
5.3.270.0030.02012.65
5.3.260.0020.03512.71
5.3.250.0080.01612.65
5.3.240.0060.01712.74
5.3.230.0030.03712.65
5.3.220.0030.04212.68
5.3.210.0010.03312.73
5.3.200.0060.02012.75
5.3.190.0020.04012.63
5.3.180.0030.03912.67
5.3.170.0020.04212.68
5.3.160.0070.03812.62
5.3.150.0090.03412.62
5.3.140.0050.03812.62
5.3.130.0030.03312.66
5.3.120.0050.03912.66
5.3.110.0030.04212.65
5.3.100.0080.04012.37
5.3.90.0050.04212.36
5.3.80.0030.04012.46
5.3.70.0030.03612.32
5.3.60.0030.03212.40
5.3.50.0050.03812.28
5.3.40.0040.03312.36
5.3.30.0090.02812.35
5.3.20.0030.04012.26
5.3.10.0040.03012.14
5.3.00.0040.04012.18
5.2.170.0000.05712.15
5.2.160.0100.05712.15
5.2.150.0100.05312.15
5.2.140.0000.06712.15
5.2.130.0030.06012.15
5.2.120.0030.06012.15
5.2.110.0000.03312.15
5.2.100.0000.06312.15
5.2.90.0030.05312.15
5.2.80.0170.03712.15
5.2.70.0000.06012.15
5.2.60.0030.05712.15
5.2.50.0070.03712.15
5.2.40.0000.05712.15
5.2.30.0100.03712.15
5.2.20.0030.04012.15
5.2.10.0000.05012.15
5.2.00.0000.04712.15
5.1.60.0000.04312.15
5.1.50.0000.05712.15
5.1.40.0100.03012.15
5.1.30.0030.05312.15
5.1.20.0000.05312.15
5.1.10.0070.02712.15
5.1.00.0000.05012.15
5.0.50.0030.03012.15
5.0.40.0070.04012.15
5.0.30.0030.04712.15
5.0.20.0000.04012.15
5.0.10.0000.04712.15
5.0.00.0030.05012.15
4.4.90.0000.03712.15
4.4.80.0000.03312.15
4.4.70.0000.02712.15
4.4.60.0070.03012.15
4.4.50.0070.02312.15
4.4.40.0000.03312.15
4.4.30.0000.02712.15
4.4.20.0000.02012.15
4.4.10.0030.02312.15
4.4.00.0000.05012.15
4.3.110.0030.02312.15
4.3.100.0000.03712.15
4.3.90.0070.03012.15
4.3.80.0000.03712.15
4.3.70.0000.03312.15
4.3.60.0030.02312.15
4.3.50.0030.02312.15
4.3.40.0030.03712.15
4.3.30.0030.03012.15
4.3.20.0070.03312.15
4.3.10.0000.03712.15
4.3.00.0030.03012.15

preferences:
56.59 ms | 400 KiB | 5 Q