3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr('toto', 2);

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)
8.3.40.0070.00718.72
8.3.30.0100.00318.89
8.3.20.0040.00420.38
8.3.10.0040.00421.78
8.3.00.0080.00020.87
8.2.170.0000.01422.96
8.2.160.0140.00022.13
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.54
8.2.110.0030.00720.53
8.2.100.0000.01117.79
8.2.90.0050.00318.03
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00417.91
8.2.50.0040.00418.07
8.2.40.0040.00417.89
8.2.30.0040.00417.99
8.2.20.0050.00317.68
8.2.10.0040.00417.97
8.2.00.0070.00017.59
8.1.270.0090.00020.60
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00022.05
8.1.230.0110.00020.96
8.1.220.0040.00417.74
8.1.210.0030.00618.89
8.1.200.0040.00717.11
8.1.190.0060.00317.11
8.1.180.0060.00318.10
8.1.170.0080.00018.60
8.1.160.0040.00421.98
8.1.150.0000.00718.63
8.1.140.0070.00017.32
8.1.130.0000.00717.75
8.1.120.0000.00817.24
8.1.110.0000.00817.20
8.1.100.0040.00417.24
8.1.90.0040.00417.38
8.1.80.0000.00717.29
8.1.70.0000.00717.26
8.1.60.0030.00617.41
8.1.50.0050.00517.29
8.1.40.0040.00417.30
8.1.30.0030.00517.50
8.1.20.0040.00417.48
8.1.10.0080.00017.38
8.1.00.0040.00417.26
8.0.300.0030.00520.09
8.0.290.0000.00716.63
8.0.280.0030.00318.36
8.0.270.0070.00017.03
8.0.260.0080.00017.24
8.0.250.0000.00816.89
8.0.240.0100.00016.74
8.0.230.0000.00716.82
8.0.220.0040.00416.64
8.0.210.0030.00316.79
8.0.200.0040.00416.84
8.0.190.0070.00016.75
8.0.180.0040.00416.68
8.0.170.0000.00716.66
8.0.160.0050.00316.75
8.0.150.0030.00316.72
8.0.140.0000.00716.73
8.0.130.0040.00413.16
8.0.120.0080.00016.62
8.0.110.0070.00016.73
8.0.100.0000.00716.65
8.0.90.0030.00316.82
8.0.80.0110.01016.79
8.0.70.0040.00416.62
8.0.60.0070.00016.78
8.0.50.0000.00716.55
8.0.30.0130.01216.85
8.0.20.0190.01417.40
8.0.10.0040.00416.87
8.0.00.0090.00716.85
7.4.330.0000.00515.03
7.4.320.0030.00316.41
7.4.300.0000.00616.46
7.4.290.0000.00616.30
7.4.280.0000.00816.34
7.4.270.0030.00316.25
7.4.260.0000.01016.43
7.4.250.0050.00216.34
7.4.240.0020.00616.38
7.4.230.0070.00016.54
7.4.220.0070.01016.46
7.4.210.0090.00516.40
7.4.200.0070.00016.36
7.4.160.0030.01216.44
7.4.150.0050.01417.40
7.4.140.0130.00517.86
7.4.130.0090.01216.43
7.4.120.0100.00816.48
7.4.110.0100.00616.61
7.4.100.0080.00816.20
7.4.90.0000.01716.36
7.4.80.0130.00616.36
7.4.70.0130.00716.28
7.4.60.0120.00916.45
7.4.50.0000.00816.55
7.4.40.0130.00316.31
7.4.30.0090.01216.32
7.4.00.0000.01414.49
7.3.330.0050.00012.87
7.3.320.0060.00612.94
7.3.310.0000.00715.95
7.3.300.0000.00616.11
7.3.290.0070.00015.90
7.3.280.0050.01116.14
7.3.270.0110.00617.40
7.3.260.0040.01216.15
7.3.250.0150.00716.28
7.3.240.0080.00816.27
7.3.230.0090.00916.39
7.3.210.0130.00416.51
7.3.200.0070.01319.39
7.3.190.0090.00616.41
7.3.180.0070.00916.30
7.3.170.0080.01516.27
7.3.160.0160.00616.33
7.3.00.0130.00616.49
7.2.330.0080.00816.50
7.2.320.0060.01016.62
7.2.310.0170.00716.39
7.2.300.0100.00616.29
7.2.290.0130.00316.51
7.2.130.0040.00716.59
7.2.120.0100.00716.70
7.2.110.0060.01016.59
7.2.100.0030.01316.99
7.2.90.0040.01216.76
7.2.80.0120.00316.57
7.2.70.0060.01016.73
7.2.60.0070.00916.56
7.2.50.0090.00616.77
7.2.40.0100.00616.65
7.2.30.0120.00316.57
7.2.20.0120.00616.54
7.2.10.0110.00616.81
7.2.00.0050.01017.84
7.1.250.0110.00415.65
7.1.240.0090.00315.55
7.1.230.0150.00415.58
7.1.220.0000.01215.65
7.1.210.0100.00715.46
7.1.200.0060.00615.51
7.1.190.0070.00715.43
7.1.180.0100.00315.36
7.1.170.0140.00315.68
7.1.160.0030.01015.59
7.1.150.0090.00615.77
7.1.140.0130.00315.65
7.1.130.0110.00615.63
7.1.120.0120.00415.59
7.1.110.0110.00615.32
7.1.100.0050.00916.81
7.1.90.0060.01115.80
7.1.80.0090.00915.68
7.1.70.0050.00516.35
7.1.60.0070.01117.41
7.1.50.0110.01015.85
7.1.40.0100.00715.71
7.1.30.0130.00315.35
7.1.20.0070.01115.53
7.1.10.0040.01115.56
7.1.00.0050.04119.17
7.0.330.0070.00715.21
7.0.320.0120.00315.23
7.0.310.0130.00015.19
7.0.300.0080.00415.22
7.0.290.0040.00815.24
7.0.280.0070.01015.16
7.0.270.0040.01214.86
7.0.260.0150.00315.11
7.0.250.0100.01015.23
7.0.240.0130.00315.30
7.0.230.0080.00815.29
7.0.220.0080.01215.26
7.0.210.0050.01015.46
7.0.200.0440.00414.77
7.0.190.0120.00414.81
7.0.180.0070.01015.23
7.0.170.0040.01115.17
7.0.160.0120.00415.09
7.0.150.0040.01115.20
7.0.140.0070.03218.57
7.0.130.0040.01115.00
7.0.120.0030.00915.19
7.0.110.0090.00615.33
7.0.100.0080.00815.31
7.0.90.0080.00615.10
7.0.80.0090.00714.92
7.0.70.0100.00315.30
7.0.60.0090.03817.54
7.0.50.0060.02416.34
7.0.40.0040.03716.67
7.0.30.0170.04416.58
7.0.20.0160.03616.59
7.0.10.0110.04616.53
7.0.00.0080.04316.63
5.6.380.0070.00414.04
5.6.370.0050.00314.37
5.6.360.0040.00813.93
5.6.350.0030.00714.24
5.6.340.0000.01414.13
5.6.330.0120.00313.84
5.6.320.0070.00314.02
5.6.310.0050.00514.05
5.6.300.0120.01214.15
5.6.290.0070.00714.14
5.6.280.0080.03317.45
5.6.270.0040.01214.32
5.6.260.0030.00713.92
5.6.250.0070.00714.05
5.6.240.0000.01114.46
5.6.230.0030.00714.12
5.6.220.0090.00314.13
5.6.210.0090.04517.39
5.6.200.0020.02616.03
5.6.190.0030.02717.33
5.6.180.0280.02317.28
5.6.170.0130.02017.29
5.6.160.0050.04517.06
5.6.150.0030.03215.93
5.6.140.0070.04116.05
5.6.130.0080.04016.30
5.6.120.0080.04317.65
5.6.110.0090.03617.46
5.6.100.0070.03917.66
5.6.90.0080.03317.55
5.6.80.0020.02517.20
5.6.70.0080.00014.18
5.6.60.0000.00814.15
5.6.50.0060.00614.18
5.6.40.0090.00314.11
5.6.30.0040.01214.03
5.6.20.0000.00814.06
5.6.10.0030.00713.95
5.6.00.0030.00613.81
5.5.380.0040.00810.59
5.5.370.0040.00410.96
5.5.360.0030.00311.00
5.5.350.0180.04215.73
5.5.340.0040.04314.41
5.5.330.0050.03515.54
5.5.320.0030.03015.50
5.5.310.0180.02515.45
5.5.300.0060.02014.33
5.5.290.0070.04014.45
5.5.280.0060.02015.80
5.5.270.0000.02715.78
5.5.260.0050.04315.79
5.5.250.0120.01715.70
5.5.240.0110.02115.45
5.5.230.0040.00410.91
5.5.220.0110.00010.93
5.5.210.0030.00210.82
5.5.200.0030.00310.79
5.5.190.0070.00410.86
5.5.180.0060.00310.83
5.5.170.0030.00510.66
5.5.160.0060.00310.83
5.5.150.0050.00310.61
5.5.140.0030.00310.84
5.5.130.0050.00210.48
5.5.120.0090.00310.76
5.5.110.0040.00410.84
5.5.100.0040.00810.71
5.5.90.0050.00510.91
5.5.80.0050.00810.92
5.5.70.0040.00410.93
5.5.60.0070.00310.95
5.5.50.0080.00010.66
5.5.40.0050.00610.56
5.5.30.0000.01110.79
5.5.20.0050.00510.92
5.5.10.0000.00710.71
5.5.00.0030.00310.63
5.4.450.0220.03415.14
5.4.440.0580.02815.22
5.4.430.0670.03314.89
5.4.420.0550.02715.17
5.4.410.0530.03015.11
5.4.400.0430.03414.89
5.4.390.0050.03214.66
5.4.380.0090.03014.62
5.4.370.0080.02714.62
5.4.360.0110.02714.52
5.4.350.0070.03214.54
5.4.340.0080.02714.73
5.4.330.0060.00310.77
5.4.320.0030.03314.54
5.4.310.0120.02314.55
5.4.300.0110.02514.53
5.4.290.0030.03214.48
5.4.280.0130.02614.65
5.4.270.0060.02814.49
5.4.260.0070.03114.57
5.4.250.0120.02714.63
5.4.240.0080.03314.73
5.4.230.0060.03014.53
5.4.220.0060.03114.64
5.4.210.0120.02314.54
5.4.200.0080.02713.45
5.4.190.0150.02214.46
5.4.180.0140.02214.60
5.4.170.0120.02514.89
5.4.160.0100.02914.67
5.4.150.0100.03014.61
5.4.140.0110.02313.37
5.4.130.0080.02513.36
5.4.120.0110.02413.57
5.4.110.0050.02713.42
5.4.100.0050.03613.50
5.4.90.0100.02513.53
5.4.80.0060.02913.42
5.4.70.0100.02713.44
5.4.60.0070.02713.41
5.4.50.0070.02613.37
5.4.40.0020.03413.21
5.4.30.0060.02713.43
5.4.20.0060.02913.40
5.4.10.0070.02513.48
5.4.00.0120.02213.11
5.3.290.0080.02812.50
5.3.280.0060.02812.51
5.3.270.0070.03212.57
5.3.260.0070.03012.42
5.3.250.0030.03212.46
5.3.240.0180.02812.37
5.3.230.0100.03612.46
5.3.220.0080.03012.31
5.3.210.0090.02712.25
5.3.200.0160.02112.31
5.3.190.0100.02512.36
5.3.180.0050.03312.51
5.3.170.0050.03012.42
5.3.160.0100.02512.43
5.3.150.0120.02412.46
5.3.140.0090.02812.42
5.3.130.0070.03012.47
5.3.120.0100.03212.43
5.3.110.0100.02912.50
5.3.100.0130.02212.09
5.3.90.0050.03012.13
5.3.80.0120.02512.14
5.3.70.0050.03012.08
5.3.60.0080.02712.02
5.3.50.0070.02911.90
5.3.40.0140.03012.02
5.3.30.0100.02512.05
5.3.20.0070.02812.00
5.3.10.0130.02311.86
5.3.00.0020.03811.83
5.2.170.0060.02310.56
5.2.160.0030.02510.54
5.2.150.0080.02110.54
5.2.140.0050.02310.52
5.2.130.0080.02010.50
5.2.120.0080.02010.50
5.2.110.0080.02010.52
5.2.100.0070.02410.52
5.2.90.0030.02310.61
5.2.80.0050.02310.55
5.2.70.0050.02310.51
5.2.60.0090.02010.57
5.2.50.0100.01910.44
5.2.40.0060.02010.43
5.2.30.0080.01810.45
5.2.20.0050.02310.43
5.2.10.0060.02010.39
5.2.00.0070.01910.41
5.1.60.0090.0139.98
5.1.50.0050.0189.97
5.1.40.0070.01810.00
5.1.30.0030.02110.14
5.1.20.0060.01810.20
5.1.10.0030.02610.03
5.1.00.0080.02310.04
5.0.50.0070.0189.26
5.0.40.0110.0159.24
5.0.30.0040.0239.14
5.0.20.0000.0179.13
5.0.10.0020.0169.07
5.0.00.0050.0229.10
4.4.90.0030.0127.90
4.4.80.0050.0107.91
4.4.70.0010.0147.94
4.4.60.0000.0157.93
4.4.50.0010.0157.91
4.4.40.0000.0217.93
4.4.30.0000.0147.92
4.4.20.0080.0087.97
4.4.10.0050.0107.98
4.4.00.0020.0197.92
4.3.110.0080.0087.90
4.3.100.0080.0067.87
4.3.90.0000.0147.91
4.3.80.0030.0227.87
4.3.70.0020.0137.87
4.3.60.0080.0107.93
4.3.50.0000.0147.88
4.3.40.0030.0197.86
4.3.30.0020.0137.30
4.3.20.0020.0137.26
4.3.10.0020.0137.21
4.3.00.0080.01012.21

preferences:
58.85 ms | 400 KiB | 5 Q