3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "C#maj7"; $qualityVal = ""; if (true) { $qualityVal .= substr($string, 2); } $num = 10; $num += 10; class Hello { } $hello = new Hello(); echo $hello->toString(); ?>

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)
8.3.60.0070.01418.43
8.3.50.0070.01421.92
8.3.40.0070.01318.93
8.3.30.0100.00320.20
8.3.20.0000.00720.34
8.3.10.0050.00322.04
8.3.00.0040.00422.43
8.2.180.0090.01218.54
8.2.170.0090.00622.96
8.2.160.0040.01122.21
8.2.150.0030.00525.66
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0080.00019.66
8.2.110.0110.00822.11
8.2.100.0030.00919.26
8.2.90.0040.00419.05
8.2.80.0000.00719.44
8.2.70.0040.00717.38
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0040.00418.06
8.2.20.0050.00217.59
8.2.10.0040.00417.86
8.2.00.0060.00317.62
8.1.280.0030.01325.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.01023.84
8.1.230.0040.00819.22
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0030.00517.53
8.1.180.0060.00321.78
8.1.170.0000.00818.55
8.1.160.0030.00322.02
8.1.150.0060.00318.56
8.1.140.0030.00617.30
8.1.130.0070.00017.84
8.1.120.0000.00717.36
8.1.110.0070.00017.32
8.1.100.0030.00317.38
8.1.90.0000.00817.37
8.1.80.0040.00417.40
8.1.70.0040.00417.37
8.1.60.0050.00317.35
8.1.50.0030.00617.54
8.1.40.0060.00317.53
8.1.30.0040.00417.61
8.1.20.0030.00617.64
8.1.10.0000.00717.54
8.1.00.0040.00417.41
8.0.300.0070.00018.77
8.0.290.0040.00416.93
8.0.280.0000.00718.38
8.0.270.0040.00417.13
8.0.260.0040.00416.76
8.0.250.0000.00716.84
8.0.240.0030.00516.98
8.0.230.0040.00416.98
8.0.220.0050.00316.80
8.0.210.0070.00016.89
8.0.200.0030.00316.84
8.0.190.0040.00416.94
8.0.180.0000.00716.95
8.0.170.0050.00316.93
8.0.160.0000.00717.00
8.0.150.0000.00716.80
8.0.140.0040.00416.78
8.0.130.0030.00313.26
8.0.120.0000.00716.82
8.0.110.0030.00516.85
8.0.100.0070.00016.91
8.0.90.0000.00716.90
8.0.80.0040.01116.88
8.0.70.0080.00016.68
8.0.60.0000.00816.74
8.0.50.0050.00216.93
8.0.30.0100.00917.02
8.0.20.0140.00617.40
8.0.10.0000.00716.91
8.0.00.0170.00716.64
7.4.330.0030.00315.00
7.4.320.0030.00316.54
7.4.300.0030.00616.61
7.4.290.0000.00716.43
7.4.280.0030.00316.55
7.4.270.0000.00716.49
7.4.260.0050.00516.54
7.4.250.0030.00516.56
7.4.240.0030.00516.50
7.4.230.0060.00016.65
7.4.220.0170.00616.47
7.4.210.0070.01016.57
7.4.200.0030.00316.57
7.4.190.0000.00716.73
7.4.160.0100.00616.49
7.4.150.0110.00617.40
7.4.140.0080.01017.86
7.4.130.0130.00316.46
7.4.120.0090.00916.42
7.4.110.0090.00916.55
7.4.100.0070.01116.45
7.4.90.0070.01116.55
7.4.80.0150.00619.39
7.4.70.0070.01416.35
7.4.60.0030.01316.34
7.4.50.0060.00316.52
7.4.40.0070.01122.77
7.4.30.0080.00916.57
7.4.00.0080.00914.92
7.3.330.0030.00313.25
7.3.320.0060.00013.30
7.3.310.0070.00016.29
7.3.300.0050.00216.31
7.3.290.0060.01316.31
7.3.280.0060.00916.27
7.3.270.0090.01117.40
7.3.260.0030.01416.50
7.3.250.0080.00816.38
7.3.240.0070.01016.66
7.3.230.0120.00616.45
7.3.210.0040.01316.41
7.3.200.0030.01319.39
7.3.190.0070.01116.38
7.3.180.0180.00016.39
7.3.170.0090.00616.32
7.3.160.0070.01016.20
7.3.120.0050.01214.99
7.3.110.0060.01014.82
7.3.100.0030.01014.67
7.3.90.0080.00814.93
7.3.80.0030.01214.56
7.3.70.0150.00014.82
7.3.60.0070.00714.75
7.3.50.0070.01014.83
7.3.40.0050.00814.93
7.3.30.0040.01114.58
7.3.20.0070.00716.72
7.3.10.0060.00916.66
7.3.00.0050.00716.45
7.2.330.0040.01516.32
7.2.320.0070.01016.55
7.2.310.0120.00916.64
7.2.300.0110.00716.55
7.2.290.0140.00416.48
7.2.250.0030.01315.13
7.2.240.0030.01615.22
7.2.230.0030.01314.80
7.2.220.0030.01415.12
7.2.210.0070.00714.87
7.2.200.0040.01114.86
7.2.190.0100.00714.88
7.2.180.0120.00614.72
7.2.170.0080.00414.65
7.2.130.0050.00616.67
7.2.120.0050.01116.53
7.2.110.0030.01016.68
7.2.100.0060.00716.70
7.2.90.0100.00516.79
7.2.80.0100.00616.78
7.2.70.0080.00616.80
7.2.60.0060.00616.93
7.2.50.0100.00316.84
7.2.40.0060.00716.87
7.2.30.0040.00816.93
7.2.20.0040.00816.69
7.2.10.0050.00716.79
7.2.00.0080.00517.62
7.1.330.0100.00315.89
7.1.320.0040.01115.84
7.1.310.0030.01315.56
7.1.300.0060.00915.93
7.1.290.0040.00815.60
7.1.280.0130.00315.83
7.1.270.0030.01015.78
7.1.260.0070.00715.93
7.1.250.0040.00915.69
7.1.240.0070.00815.75
7.1.230.0040.00815.65
7.1.220.0050.00515.63
7.1.210.0070.00315.77
7.1.200.0040.00715.64
7.1.190.0040.00615.94
7.1.180.0110.00315.92
7.1.170.0080.00215.88
7.1.160.0030.00815.92
7.1.150.0050.00615.85
7.1.140.0080.00415.68
7.1.130.0030.01015.60
7.1.120.0110.00415.74
7.1.110.0100.00215.80
7.1.100.0070.00616.64
7.1.90.0060.00615.77
7.1.80.0060.00315.88
7.1.70.0060.00916.17
7.1.60.0080.00716.87
7.1.50.0060.01116.27
7.1.40.0080.00715.77
7.1.30.0050.00715.69
7.1.20.0060.00615.54
7.1.10.0110.00415.72
7.1.00.0040.02517.96
7.0.330.0030.00815.44
7.0.320.0040.00815.32
7.0.310.0060.01015.37
7.0.300.0030.00815.44
7.0.290.0040.00615.49
7.0.280.0050.00415.45
7.0.270.0060.00315.46
7.0.260.0090.00315.46
7.0.250.0070.00515.34
7.0.240.0030.01115.54
7.0.230.0030.00915.26
7.0.220.0060.00615.40
7.0.210.0080.00515.46
7.0.200.0030.00715.88
7.0.190.0120.00215.46
7.0.180.0040.01115.31
7.0.170.0090.00615.35
7.0.160.0060.00815.50
7.0.150.0090.00315.51
7.0.140.0080.02417.69
7.0.130.0030.00715.48
7.0.120.0060.01215.34
7.0.110.0030.00715.36
7.0.100.0050.00815.40
7.0.90.0010.01015.36
7.0.80.0080.00615.34
7.0.70.0050.00515.58
7.0.60.0020.03416.93
7.0.50.0030.01716.18
7.0.40.0100.01915.71
7.0.30.0070.02015.64
7.0.20.0180.02915.63
7.0.10.0050.02615.54
7.0.00.0080.02415.69
5.6.380.0050.00514.29
5.6.370.0030.00714.56
5.6.360.0050.00814.19
5.6.350.0020.00814.32
5.6.340.0050.00814.37
5.6.330.0050.00714.13
5.6.320.0050.00714.45
5.6.310.0050.00514.19
5.6.300.0060.00714.17
5.6.290.0110.00514.36
5.6.280.0080.02816.51
5.6.270.0080.00514.32
5.6.260.0050.00514.35
5.6.250.0030.00714.37
5.6.240.0070.00414.31
5.6.230.0030.00514.28
5.6.220.0020.00914.38
5.6.210.0020.02816.47
5.6.200.0030.03415.62
5.6.190.0080.02916.42
5.6.180.0090.01916.47
5.6.170.0160.03016.31
5.6.160.0060.01616.35
5.6.150.0060.03015.55
5.6.140.0060.01715.48
5.6.130.0030.02815.45
5.6.120.0040.02616.48
5.6.110.0050.02816.47
5.6.100.0060.02916.65
5.6.90.0050.03416.43
5.6.80.0090.02716.25
5.6.70.0110.03016.22
5.6.60.0040.00714.12
5.6.50.0050.01014.19
5.6.40.0030.00914.35
5.6.30.0000.01114.28
5.6.20.0060.00614.12
5.6.10.0090.00514.28
5.6.00.0030.01214.23
5.5.380.0030.00411.18
5.5.370.0060.00111.29
5.5.360.0070.00211.09
5.5.350.0030.02814.35
5.5.340.0050.02913.44
5.5.330.0040.03214.28
5.5.320.0140.02514.29
5.5.310.0120.02114.23
5.5.300.0070.02613.50
5.5.290.0020.02013.51
5.5.280.0060.02814.45
5.5.270.0080.02214.44
5.5.260.0030.02014.44
5.5.250.0060.02614.36
5.5.240.0030.03214.21
5.5.230.0020.01011.13
5.5.220.0030.00711.07
5.5.210.0020.00611.08
5.5.200.0020.00811.30
5.5.190.0040.00511.11
5.5.180.0000.01211.16
5.5.170.0050.00511.11
5.5.160.0050.00511.11
5.5.150.0050.00511.06
5.5.140.0050.00211.09
5.5.130.0030.00711.16
5.5.120.0040.00710.94
5.5.110.0040.00511.12
5.5.100.0030.00611.14
5.5.90.0050.00211.24
5.5.80.0070.00411.19
5.5.70.0000.00711.06
5.5.60.0090.00311.19
5.5.50.0060.00411.09
5.5.40.0040.00711.20
5.5.30.0030.00711.18
5.5.20.0020.00811.13
5.5.10.0050.00511.01
5.5.00.0040.00711.16
5.4.450.0240.01913.81
5.4.440.0410.01813.72
5.4.430.0320.02113.83
5.4.420.0270.02413.93
5.4.410.0320.01913.75
5.4.400.0490.02513.60
5.4.390.0440.02713.55
5.4.380.0030.02613.57
5.4.370.0070.02013.56
5.4.360.0070.02213.56
5.4.350.0070.01611.38
5.4.340.0040.02211.38
5.4.330.0050.00311.04
5.4.320.0040.01711.47
5.4.310.0040.02111.47
5.4.300.0050.02111.43
5.4.290.0080.02011.57
5.4.280.0040.01711.54
5.4.270.0040.01811.45
5.4.260.0060.01711.43
5.4.250.0020.02211.53
5.4.240.0090.02213.56
5.4.230.0130.02413.72
5.4.220.0100.01813.70
5.4.210.0060.02513.59
5.4.200.0030.02613.68
5.4.190.0110.01413.61
5.4.180.0090.02513.59
5.4.170.0030.02313.70
5.4.160.0070.02213.64
5.4.150.0080.02413.68
5.4.140.0080.01912.89
5.4.130.0020.02412.72
5.4.120.0030.02212.72
5.4.110.0080.02112.89
5.4.100.0090.02212.79
5.4.90.0020.02112.94
5.4.80.0060.02212.77
5.4.70.0040.02212.85
5.4.60.0060.01812.79
5.4.50.0080.01612.95
5.4.40.0050.02512.85
5.4.30.0090.01612.78
5.4.20.0060.01912.85
5.4.10.0070.01912.87
5.4.00.0030.02712.72
5.3.290.0030.01711.54
5.3.280.0050.02512.07
5.3.270.0040.02212.07
5.3.260.0080.02012.05
5.3.250.0050.01912.24
5.3.240.0040.03012.11
5.3.230.0050.02212.13
5.3.220.0060.02112.12
5.3.210.0010.02312.13
5.3.200.0050.01912.13
5.3.190.0060.02112.16
5.3.180.0050.02112.12
5.3.170.0080.02512.14
5.3.160.0030.02512.06
5.3.150.0090.01712.15
5.3.140.0070.01912.08
5.3.130.0080.02212.13
5.3.120.0000.02512.17
5.3.110.0050.02112.21
5.3.100.0030.02811.94
5.3.90.0080.01911.97
5.3.80.0070.02111.87
5.3.70.0100.01911.86
5.3.60.0040.02111.90
5.3.50.0080.01811.92
5.3.40.0050.02411.91
5.3.30.0040.02211.79
5.3.20.0060.01911.83
5.3.10.0040.01911.73
5.3.00.0050.02211.71
5.2.170.0010.01910.67
5.2.160.0050.01610.73
5.2.150.0060.02010.68
5.2.140.0040.01410.60
5.2.130.0060.02210.65
5.2.120.0050.01410.62
5.2.110.0040.01710.63
5.2.100.0010.01810.50
5.2.90.0060.01510.67
5.2.80.0060.01510.49
5.2.70.0040.02010.62
5.2.60.0040.01710.60
5.2.50.0050.01610.51
5.2.40.0050.01710.51
5.2.30.0030.01810.55
5.2.20.0080.01310.52
5.2.10.0020.01810.47
5.2.00.0080.01510.46
5.1.60.0040.01210.14
5.1.50.0050.01910.09
5.1.40.0020.01510.22
5.1.30.0060.01310.28
5.1.20.0040.01710.27
5.1.10.0020.01510.18
5.1.00.0010.02110.19
5.0.50.0030.0119.65
5.0.40.0020.0169.61
5.0.30.0030.0219.56
5.0.20.0040.0119.58
5.0.10.0060.0079.59
5.0.00.0010.0239.48
4.4.90.0010.0109.01
4.4.80.0020.0099.01
4.4.70.0040.0099.01
4.4.60.0020.0109.01
4.4.50.0050.0089.01
4.4.40.0020.0199.01
4.4.30.0030.0109.01
4.4.20.0000.0119.01
4.4.10.0020.0129.01
4.4.00.0020.0149.01
4.3.110.0020.0129.01
4.3.100.0030.0109.01
4.3.90.0020.0099.01
4.3.80.0010.0169.01
4.3.70.0020.0129.01
4.3.60.0020.0109.01
4.3.50.0010.0119.01
4.3.40.0030.0149.01
4.3.30.0030.0089.01
4.3.20.0010.0149.01
4.3.10.0030.0089.01
4.3.00.0020.0109.10

preferences:
50.8 ms | 401 KiB | 5 Q