3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "b"; echo ++$a  . "\n"; $a = "abc"; echo ++$a  . "\n"; $a = "a4"; echo ++$a . "\n"; $a = "a4b1"; echo ++$a  . "\n";

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)
8.3.60.0000.01417.00
8.3.50.0210.01222.17
8.3.40.0140.00418.80
8.3.30.0140.00719.01
8.3.20.0040.00420.39
8.3.10.0040.00421.96
8.3.00.0000.00817.80
8.2.180.0110.01116.63
8.2.170.0040.01122.96
8.2.160.0100.00320.39
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0030.01226.16
8.2.120.0040.00421.06
8.2.110.0110.00020.38
8.2.100.0080.00417.69
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0000.00917.63
8.2.60.0040.00818.05
8.2.50.0050.00318.07
8.2.40.0030.00618.22
8.2.30.0000.00818.11
8.2.20.0070.00017.82
8.2.10.0000.00718.04
8.2.00.0090.00017.73
8.1.280.0030.01025.92
8.1.270.0000.00822.11
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0100.00023.91
8.1.230.0040.00718.97
8.1.220.0000.00917.76
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0050.00317.00
8.1.180.0000.00818.10
8.1.170.0080.00018.70
8.1.160.0000.00721.90
8.1.150.0040.00418.87
8.1.140.0090.00017.36
8.1.130.0040.00417.93
8.1.120.0040.00417.48
8.1.110.0000.00717.43
8.1.100.0030.00317.33
8.1.90.0030.00917.42
8.1.80.0000.00717.50
8.1.70.0000.00717.39
8.1.60.0040.00717.53
8.1.50.0040.00417.51
8.1.40.0040.00417.44
8.1.30.0000.00817.55
8.1.20.0060.00317.60
8.1.10.0000.00717.39
8.1.00.0040.00417.34
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00818.39
8.0.270.0000.00717.30
8.0.260.0060.00017.25
8.0.250.0030.00317.02
8.0.240.0000.00616.93
8.0.230.0000.00716.88
8.0.220.0040.00416.97
8.0.210.0040.00416.82
8.0.200.0030.00317.00
8.0.190.0020.00516.99
8.0.180.0050.00316.87
8.0.170.0060.00317.04
8.0.160.0050.00316.93
8.0.150.0060.00316.94
8.0.140.0000.00816.87
8.0.130.0030.00313.36
8.0.120.0000.00816.91
8.0.110.0040.00416.77
8.0.100.0040.00416.89
8.0.90.0030.00316.89
8.0.80.0150.00616.92
8.0.70.0040.00416.73
8.0.60.0070.00016.95
8.0.50.0040.00416.77
8.0.30.0090.00917.08
8.0.20.0120.01517.40
8.0.10.0040.00416.99
8.0.00.0090.00916.71
7.4.330.0000.00615.00
7.4.320.0030.00316.47
7.4.300.0070.00016.45
7.4.290.0000.00716.50
7.4.280.0000.00816.51
7.4.270.0030.00316.57
7.4.260.0070.00016.41
7.4.250.0000.00716.45
7.4.240.0020.00516.50
7.4.230.0030.00316.64
7.4.220.0120.00916.49
7.4.210.0140.00016.38
7.4.200.0000.00816.36
7.4.160.0120.00316.44
7.4.150.0140.00417.40
7.4.140.0110.00617.86
7.4.130.0090.00716.53
7.4.120.0100.00716.43
7.4.110.0160.00016.31
7.4.100.0040.01816.44
7.4.90.0140.00316.42
7.4.80.0130.01019.39
7.4.70.0160.00416.53
7.4.60.0040.01616.59
7.4.50.0040.00416.27
7.4.40.0090.00716.27
7.4.30.0120.00416.32
7.4.10.0000.01714.89
7.4.00.0110.00714.70
7.3.330.0030.00313.00
7.3.320.0000.00613.10
7.3.310.0070.00016.12
7.3.300.0060.00016.09
7.3.290.0000.01316.25
7.3.280.0060.01116.27
7.3.270.0090.00917.40
7.3.260.0190.01616.34
7.3.250.0150.00516.30
7.3.240.0070.01116.52
7.3.230.0070.01116.44
7.3.210.0090.00916.37
7.3.200.0080.01619.39
7.3.190.0160.00616.37
7.3.180.0090.00616.27
7.3.170.0060.01016.33
7.3.160.0080.00816.30
7.3.130.0090.00914.93
7.3.120.0080.00914.81
7.3.110.0060.01214.64
7.3.100.0030.00814.47
7.3.90.0060.00914.93
7.3.80.0070.00314.56
7.3.70.0110.00314.88
7.3.60.0040.00814.93
7.3.50.0040.00914.84
7.3.40.0060.01214.87
7.3.30.0130.00314.86
7.3.20.0100.00016.65
7.3.10.0060.00916.18
7.3.00.0060.00616.60
7.2.330.0030.01616.57
7.2.320.0170.00416.58
7.2.310.0030.01416.47
7.2.300.0070.01016.34
7.2.290.0030.01216.35
7.2.260.0030.01614.79
7.2.250.0030.01814.66
7.2.240.0090.00615.02
7.2.230.0080.00414.86
7.2.220.0030.01014.92
7.2.210.0030.01014.85
7.2.200.0040.00414.93
7.2.190.0030.00614.71
7.2.180.0100.00614.77
7.2.170.0060.01214.79
7.2.160.0000.01215.01
7.2.150.0030.01017.02
7.2.140.0070.00716.84
7.2.130.0100.00516.82
7.2.120.0050.01016.71
7.2.110.0050.00916.66
7.2.100.0130.00316.77
7.2.90.0120.00316.93
7.2.80.0050.00816.55
7.2.70.0120.00516.73
7.2.60.0030.01216.65
7.2.50.0080.00816.66
7.2.40.0100.00616.57
7.2.30.0030.01316.61
7.2.20.0130.00516.67
7.2.10.0080.00916.71
7.2.00.0100.00616.85
7.1.330.0000.01215.72
7.1.320.0090.00615.59
7.1.310.0000.01115.72
7.1.300.0030.01115.92
7.1.290.0030.01015.66
7.1.280.0000.01115.82
7.1.270.0030.00915.68
7.1.260.0030.01415.86
7.1.250.0050.00915.66
7.1.240.0100.00515.54
7.1.230.0080.00515.40
7.1.220.0120.00415.60
7.1.210.0070.00515.65
7.1.200.0030.01115.58
7.1.190.0080.00815.72
7.1.180.0060.00415.70
7.1.170.0140.00315.53
7.1.160.0100.00315.47
7.1.150.0070.00715.63
7.1.140.0050.00915.67
7.1.130.0090.00715.64
7.1.120.0020.01115.58
7.1.110.0130.00515.55
7.1.100.0050.01115.42
7.1.90.0060.00815.52
7.1.80.0080.00715.52
7.1.70.0030.00816.26
7.1.60.0100.00716.76
7.1.50.0050.00916.05
7.1.40.0090.00515.70
7.1.30.0050.01015.57
7.1.20.0060.00915.65
7.1.10.0080.00615.61
7.1.00.0060.03117.84
7.0.330.0080.00714.97
7.0.320.0100.00715.34
7.0.310.0070.01015.16
7.0.300.0060.00715.28
7.0.290.0130.00215.43
7.0.280.0090.00715.33
7.0.270.0060.00815.22
7.0.260.0030.01115.13
7.0.250.0080.00515.13
7.0.240.0040.01315.26
7.0.230.0070.00715.36
7.0.220.0080.00715.36
7.0.210.0080.00815.36
7.0.200.0060.00815.82
7.0.190.0090.00815.28
7.0.180.0070.00615.08
7.0.170.0070.00715.47
7.0.160.0090.00715.08
7.0.150.0110.00515.42
7.0.140.0050.03117.58
7.0.130.0070.00515.32
7.0.120.0080.00515.21
7.0.110.0100.00615.24
7.0.100.0050.00715.17
7.0.90.0050.00515.25
7.0.80.0090.00415.34
7.0.70.0130.00515.13
7.0.60.0110.02116.94
7.0.50.0070.01716.08
7.0.40.0090.01515.49
7.0.30.0130.01615.45
7.0.20.0110.02915.54
7.0.10.0070.01915.59
7.0.00.0070.02115.63
5.6.400.0030.00614.52
5.6.390.0120.00314.70
5.6.380.0060.01014.18
5.6.370.0040.01114.29
5.6.360.0080.00814.33
5.6.350.0060.00814.09
5.6.340.0050.00914.30
5.6.330.0050.01114.16
5.6.320.0010.01114.26
5.6.310.0060.00614.46
5.6.300.0030.01214.41
5.6.290.0000.01414.45
5.6.280.0080.02816.44
5.6.270.0050.00714.41
5.6.260.0050.00614.31
5.6.250.0050.01114.04
5.6.240.0060.00714.04
5.6.230.0020.01114.35
5.6.220.0110.00114.27
5.6.210.0010.03716.44
5.6.200.0090.02115.56
5.6.190.0090.02816.19
5.6.180.1110.01716.27
5.6.170.0130.02816.23
5.6.160.0070.03016.16
5.6.150.0060.02115.59
5.6.140.0090.03115.54
5.6.130.0090.03015.58
5.6.120.0090.02716.39
5.6.110.0100.03116.51
5.6.100.0040.03516.49
5.6.90.0080.01916.36
5.6.80.0060.02016.23
5.6.70.0100.00914.21
5.6.60.0030.01514.14
5.6.50.0100.01014.05
5.6.40.0090.00614.13
5.6.30.0080.00814.15
5.6.20.0020.00914.28
5.6.10.0040.01114.32
5.6.00.0050.00914.17
5.5.380.0060.00612.59
5.5.370.0030.01112.64
5.5.360.0080.00612.50
5.5.350.0070.03015.10
5.5.340.0110.02314.39
5.5.330.0030.02115.23
5.5.320.0140.03015.10
5.5.310.0120.02315.17
5.5.300.0060.03114.32
5.5.290.0070.02714.21
5.5.280.0060.01815.20
5.5.270.0050.03515.25
5.5.260.0070.03315.26
5.5.250.0090.02215.20
5.5.240.0120.03015.11
5.5.230.0090.00912.51
5.5.220.0060.00812.56
5.5.210.0020.01212.34
5.5.200.0090.00512.51
5.5.190.0110.00312.29
5.5.180.0040.00812.50
5.5.170.0030.01012.35
5.5.160.0000.01212.47
5.5.150.0060.00212.66
5.5.140.0070.00512.26
5.5.130.0050.00612.41
5.5.120.0020.00912.35
5.5.110.0010.01012.51
5.5.100.0030.00812.16
5.5.90.0030.00412.39
5.5.80.0020.01112.29
5.5.70.0100.00312.18
5.5.60.0050.00812.35
5.5.50.0060.00512.42
5.5.40.0070.00512.50
5.5.30.0060.00612.21
5.5.20.0060.00612.46
5.5.10.0030.00812.45
5.5.00.0050.00712.26
5.4.450.0190.01714.55
5.4.440.0290.01314.53
5.4.430.0200.02014.58
5.4.420.0260.01814.62
5.4.410.0230.02014.49
5.4.400.0210.02014.42
5.4.390.0240.02114.26
5.4.380.0110.02314.14
5.4.370.0120.02514.07
5.4.360.0220.02414.11
5.4.350.0180.03014.24
5.4.340.0240.02214.32
5.4.330.0040.00712.07
5.4.320.0050.01612.18
5.4.310.0060.01712.26
5.4.300.0060.01812.24
5.4.290.0040.02012.21
5.4.280.0020.02012.21
5.4.270.0090.01612.25
5.4.260.0020.01812.11
5.4.250.0050.02012.19
5.4.240.0030.01712.19
5.4.230.0050.01712.10
5.4.220.0030.01712.15
5.4.210.0050.01512.11
5.4.200.0040.02012.17
5.4.190.0030.01712.09
5.4.180.0040.01812.10
5.4.170.0070.01712.09
5.4.160.0070.01612.22
5.4.150.0050.01512.18
5.4.140.0040.01512.09
5.4.130.0040.01812.06
5.4.120.0060.01912.06
5.4.110.0060.01812.03
5.4.100.0100.01312.03
5.4.90.0040.01712.07
5.4.80.0040.01811.99
5.4.70.0040.01912.06
5.4.60.0050.01511.96
5.4.50.0030.02012.01
5.4.40.0060.01812.01
5.4.30.0100.01211.97
5.4.20.0050.01612.07
5.4.10.0060.01511.99
5.4.00.0080.01411.86
5.3.290.0070.01612.23
5.3.280.0040.01712.06
5.3.270.0040.01912.14
5.3.260.0050.01812.16
5.3.250.0060.01512.07
5.3.240.0050.02112.11
5.3.230.0050.01912.07
5.3.220.0070.01812.11
5.3.210.0060.01812.10
5.3.200.0050.01412.08
5.3.190.0050.01712.10
5.3.180.0050.01612.09
5.3.170.0030.01812.09
5.3.160.0040.01712.15
5.3.150.0050.02012.19
5.3.140.0080.01412.13
5.3.130.0050.01612.07
5.3.120.0040.01812.17
5.3.110.0050.01612.12
5.3.100.0030.01911.97
5.3.90.0050.01611.99
5.3.80.0050.01611.92
5.3.70.0070.01511.90
5.3.60.0040.01811.93
5.3.50.0030.01811.93
5.3.40.0060.01711.89
5.3.30.0040.01611.88
5.3.20.0050.01711.77
5.3.10.0040.01511.71
5.3.00.0030.01711.75
5.2.170.0040.0209.15
5.2.160.0030.0199.31
5.2.150.0050.0189.17
5.2.140.0040.0189.30
5.2.130.0040.0189.22
5.2.120.0050.0149.28
5.2.110.0050.0169.19
5.2.100.0020.0189.13
5.2.90.0050.0169.23
5.2.80.0040.0179.21
5.2.70.0060.0179.20
5.2.60.0050.0189.01
5.2.50.0060.0209.15
5.2.40.0040.0169.24
5.2.30.0040.0189.09
5.2.20.0050.0169.12
5.2.10.0020.0219.05
5.2.00.0060.0188.81
5.1.60.0070.0118.30
5.1.50.0030.0168.26
5.1.40.0020.0178.19
5.1.30.0040.0158.55
5.1.20.0060.0168.57
5.1.10.0060.0148.22
5.1.00.0070.0128.29
5.0.50.0050.0107.38
5.0.40.0020.0127.32
5.0.30.0020.0187.22
5.0.20.0030.0117.20
5.0.10.0010.0157.20
5.0.00.0030.0177.19
4.4.90.0050.0096.46
4.4.80.0030.0096.45
4.4.70.0020.0106.45
4.4.60.0040.0086.45
4.4.50.0020.0106.46
4.4.40.0020.0166.42
4.4.30.0020.0116.45
4.4.20.0040.0096.49
4.4.10.0030.0096.49
4.4.00.0020.0146.45
4.3.110.0010.0116.40
4.3.100.0030.0096.40
4.3.90.0010.0116.39
4.3.80.0010.0146.36
4.3.70.0020.0096.39
4.3.60.0040.0076.38
4.3.50.0030.0096.38
4.3.40.0010.0166.34
4.3.30.0010.0115.72
4.3.20.0030.0095.71
4.3.10.0020.0105.69
4.3.00.0020.00711.72

preferences:
36.69 ms | 401 KiB | 5 Q