3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("abcdef", 0, 5);

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)
8.3.40.0150.00018.52
8.3.30.0100.01018.89
8.3.20.0030.00520.16
8.3.10.0040.00422.10
8.3.00.0000.00822.43
8.2.170.0070.00722.96
8.2.160.0110.00320.82
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.23
8.2.110.0030.00619.33
8.2.100.0080.00317.59
8.2.90.0080.00017.75
8.2.80.0070.00020.36
8.2.70.0040.00417.80
8.2.60.0030.00617.91
8.2.50.0070.00018.10
8.2.40.0040.00420.70
8.2.30.0000.00717.96
8.2.20.0000.00717.63
8.2.10.0030.00519.26
8.2.00.0000.00817.54
8.1.270.0050.00323.85
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0000.00922.39
8.1.230.0070.00421.10
8.1.220.0000.00817.78
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0000.00917.23
8.1.180.0060.00318.10
8.1.170.0000.00818.56
8.1.160.0000.00721.98
8.1.150.0000.00718.45
8.1.140.0040.00417.25
8.1.130.0000.00717.79
8.1.120.0080.00017.35
8.1.110.0080.00017.30
8.1.100.0040.00317.32
8.1.90.0000.00717.27
8.1.80.0070.00017.33
8.1.70.0030.00517.30
8.1.60.0030.00617.32
8.1.50.0000.00717.42
8.1.40.0090.00017.33
8.1.30.0030.00717.49
8.1.20.0000.00817.50
8.1.10.0000.00717.34
8.1.00.0000.00717.36
8.0.300.0080.00019.89
8.0.290.0060.00316.58
8.0.280.0030.00318.28
8.0.270.0040.00417.19
8.0.260.0030.00316.78
8.0.250.0000.00716.77
8.0.240.0040.00416.84
8.0.230.0040.00416.70
8.0.220.0070.00016.67
8.0.210.0000.00716.66
8.0.200.0030.00316.84
8.0.190.0000.00716.76
8.0.180.0050.00316.68
8.0.170.0050.00216.83
8.0.160.0030.00416.74
8.0.150.0000.00716.68
8.0.140.0030.00416.62
8.0.130.0000.00513.18
8.0.120.0030.00516.73
8.0.110.0050.00316.73
8.0.100.0040.00416.59
8.0.90.0070.00016.73
8.0.80.0170.00016.66
8.0.70.0000.00816.79
8.0.60.0000.00716.61
8.0.50.0000.00716.75
8.0.30.0110.01116.93
8.0.20.0090.01017.40
8.0.10.0040.00416.74
8.0.00.0080.01416.59
7.4.330.0000.00515.00
7.4.320.0030.00316.32
7.4.300.0030.00316.34
7.4.290.0070.00016.41
7.4.280.0080.00016.46
7.4.270.0000.00716.44
7.4.260.0000.00716.41
7.4.250.0040.00416.28
7.4.240.0040.00416.43
7.4.230.0000.00716.55
7.4.220.0070.01416.41
7.4.210.0070.00616.36
7.4.200.0000.00716.21
7.4.190.0070.00016.31
7.4.160.0060.00916.54
7.4.150.0080.01617.40
7.4.140.0130.00717.86
7.4.130.0110.00716.47
7.4.120.0070.01016.45
7.4.110.0130.00316.48
7.4.100.0130.00316.46
7.4.90.0140.00416.45
7.4.80.0050.01217.63
7.4.70.0100.00916.15
7.4.60.0110.00516.12
7.4.50.0080.00816.19
7.4.40.0070.01019.34
7.4.30.0120.01115.96
7.4.20.0090.01515.96
7.4.10.0050.01415.78
7.4.00.0070.01015.54
7.3.330.0050.00012.96
7.3.320.0020.00212.96
7.3.310.0040.00415.97
7.3.300.0030.00316.03
7.3.290.0090.00616.09
7.3.280.0100.00516.13
7.3.270.0000.01717.40
7.3.260.0080.00816.23
7.3.250.0120.00416.24
7.3.240.0100.00716.25
7.3.230.0100.00616.46
7.3.210.0030.01316.35
7.3.200.0080.00917.72
7.3.190.0090.00815.88
7.3.180.0060.01016.02
7.3.170.0090.01016.18
7.3.160.0080.01215.96
7.3.150.0140.01015.88
7.3.140.0070.01015.64
7.3.130.0060.01115.67
7.3.120.0040.01015.29
7.3.110.0070.01115.63
7.3.100.0080.00715.57
7.3.90.0050.01115.51
7.3.80.0030.01215.77
7.3.70.0030.01115.51
7.3.60.0070.00915.64
7.3.50.0090.00515.56
7.3.40.0070.00915.56
7.3.30.0080.01015.57
7.3.20.0070.01016.79
7.3.10.0060.01116.80
7.3.00.0070.00916.73
7.2.330.0120.00916.65
7.2.320.0090.00916.00
7.2.310.0120.00816.05
7.2.300.0170.00016.23
7.2.290.0120.01616.46
7.2.280.0140.01216.20
7.2.270.0090.01316.09
7.2.260.0090.00915.75
7.2.250.0100.00915.77
7.2.240.0080.01015.67
7.2.230.0090.00815.82
7.2.220.0090.00615.71
7.2.210.0080.00515.83
7.2.200.0080.00915.79
7.2.190.0050.00915.73
7.2.180.0100.00515.67
7.2.170.0050.01215.71
7.2.160.0100.00715.69
7.2.150.0070.01117.05
7.2.140.0090.00816.95
7.2.130.0160.00617.03
7.2.120.0050.00717.07
7.2.110.0060.01016.99
7.2.100.0090.00817.02
7.2.90.0080.00916.97
7.2.80.0080.00716.98
7.2.70.0090.00617.02
7.2.60.0100.00816.94
7.2.50.0100.00516.94
7.2.40.0120.00616.96
7.2.30.0100.00717.10
7.2.20.0100.00717.02
7.2.10.0100.00616.96
7.2.00.0070.01017.45
7.1.330.0100.00716.17
7.1.320.0060.00816.04
7.1.310.0100.00515.99
7.1.300.0070.00716.16
7.1.290.0110.00716.01
7.1.280.0090.00816.03
7.1.270.0100.00516.03
7.1.260.0100.00916.01
7.1.250.0040.01115.80
7.1.240.0080.00715.85
7.1.230.0080.00715.89
7.1.220.0020.01415.90
7.1.210.0060.01115.84
7.1.200.0100.00715.84
7.1.190.0060.00915.94
7.1.180.0060.01115.93
7.1.170.0070.00815.95
7.1.160.0110.00715.99
7.1.150.0080.00915.91
7.1.140.0060.01015.94
7.1.130.0080.00815.84
7.1.120.0090.00815.82
7.1.110.0110.00615.91
7.1.100.0070.00816.36
7.1.90.0060.01115.94
7.1.80.0080.00715.87
7.1.70.0090.01016.08
7.1.60.0110.00716.79
7.1.50.0100.00919.74
7.1.40.0060.00915.92
7.1.30.0060.00816.01
7.1.20.0090.00815.97
7.1.10.0070.00715.92
7.1.00.0060.02117.28
7.0.330.0070.00915.54
7.0.320.0100.00715.64
7.0.310.0050.00915.41
7.0.300.0070.00815.49
7.0.290.0090.00815.46
7.0.280.0030.01215.53
7.0.270.0060.00915.44
7.0.260.0040.00915.48
7.0.250.0100.00515.60
7.0.240.0090.00515.59
7.0.230.0100.00515.68
7.0.220.0080.00815.52
7.0.210.0030.01015.56
7.0.200.0090.00415.86
7.0.190.0060.00715.54
7.0.180.0070.00815.71
7.0.170.0070.00715.60
7.0.160.0060.00815.51
7.0.150.0060.01115.70
7.0.140.0070.02116.91
7.0.130.0060.00715.58
7.0.120.0040.00815.60
7.0.110.0070.00715.60
7.0.100.0090.00415.54
7.0.90.0060.00615.55
7.0.80.0050.00915.67
7.0.70.0090.00815.64
7.0.60.0050.02016.51
7.0.50.0080.02116.06
7.0.40.0050.01915.31
7.0.30.0080.01615.29
7.0.20.0080.01515.25
7.0.10.0070.01715.22
7.0.00.0100.02115.21
5.6.400.0080.01015.03
5.6.390.0060.01215.32
5.6.380.0090.00814.85
5.6.370.0080.00815.01
5.6.360.0100.00714.92
5.6.350.0100.00714.75
5.6.340.0060.01014.94
5.6.330.0080.00914.92
5.6.320.0080.00714.88
5.6.310.0040.01214.93
5.6.300.0050.01114.95
5.6.290.0090.00915.01
5.6.280.0040.02116.23
5.6.270.0060.00914.89
5.6.260.0040.01114.90
5.6.250.0040.00914.81
5.6.240.0070.00714.95
5.6.230.0050.01114.91
5.6.220.0070.00814.96
5.6.210.0040.02016.00
5.6.200.0060.01715.46
5.6.190.0050.02516.05
5.6.180.0360.01615.80
5.6.170.0110.01615.90
5.6.160.0090.01815.92
5.6.150.0030.01715.51
5.6.140.0100.01215.58
5.6.130.0070.02115.52
5.6.120.0060.01416.11
5.6.110.0070.02516.16
5.6.100.0080.01816.14
5.6.90.0070.02416.02
5.6.80.0090.01815.92
5.6.70.0040.01014.78
5.6.60.0090.00714.69
5.6.50.0080.00814.66
5.6.40.0110.00614.72
5.6.30.0060.01114.70
5.6.20.0060.00614.93
5.6.10.0070.00814.87
5.6.00.0070.00814.75
5.5.380.0050.00914.04
5.5.370.0050.01014.03
5.5.360.0080.00614.17
5.5.350.0090.02015.39
5.5.340.0050.01414.83
5.5.330.0060.02015.34
5.5.320.0040.02215.45
5.5.310.0140.01815.26
5.5.300.0060.02014.78
5.5.290.0090.01314.88
5.5.280.0060.01415.48
5.5.270.0030.02115.47
5.5.260.0060.02415.38
5.5.250.0110.01915.35
5.5.240.0050.02215.25
5.5.230.0080.00814.02
5.5.220.0040.00913.96
5.5.210.0070.00714.01
5.5.200.0050.01114.03
5.5.190.0050.00814.03
5.5.180.0050.00714.04
5.5.170.0070.00614.11
5.5.160.0070.00714.03
5.5.150.0050.00814.04
5.5.140.0060.00814.08
5.5.130.0060.00613.94
5.5.120.0080.00714.04
5.5.110.0060.00513.96
5.5.100.0070.00913.96
5.5.90.0050.00914.05
5.5.80.0040.01014.01
5.5.70.0070.00813.91
5.5.60.0060.00814.00
5.5.50.0050.00714.04
5.5.40.0050.00913.94
5.5.30.0080.00714.00
5.5.20.0030.01113.95
5.5.10.0040.01013.89
5.5.00.0070.00514.04
5.4.450.0060.01813.12
5.4.440.0220.02013.18
5.4.430.0050.01913.16
5.4.420.0100.01413.16
5.4.410.0060.01713.12
5.4.400.0120.01612.98
5.4.390.0120.01412.99
5.4.380.0070.01612.95
5.4.370.0060.01512.98
5.4.360.0080.01412.91
5.4.350.0060.01511.66
5.4.340.0060.01311.62
5.4.330.0070.00811.58
5.4.320.0060.01311.70
5.4.310.0060.01311.66
5.4.300.0070.01211.67
5.4.290.0090.01311.76
5.4.280.0060.01511.67
5.4.270.0060.01211.65
5.4.260.0070.01211.72
5.4.250.0050.01411.75
5.4.240.0050.01511.67
5.4.230.0060.01411.70
5.4.220.0060.01411.74
5.4.210.0080.01411.67
5.4.200.0060.01411.62
5.4.190.0070.01311.68
5.4.180.0080.01211.67
5.4.170.0070.01311.76
5.4.160.0060.01211.71
5.4.150.0090.01111.71
5.4.140.0040.01611.68
5.4.130.0050.01511.60
5.4.120.0060.01211.60
5.4.110.0060.01311.74
5.4.100.0060.01311.65
5.4.90.0080.01211.66
5.4.80.0070.01311.61
5.4.70.0070.01411.67
5.4.60.0070.01311.61
5.4.50.0070.01111.63
5.4.40.0080.01111.67
5.4.30.0060.01411.63
5.4.20.0100.01011.66
5.4.10.0070.01011.69
5.4.00.0060.01311.52
5.3.290.0050.01612.04
5.3.280.0080.01211.93
5.3.270.0070.01211.98
5.3.260.0060.01311.93
5.3.250.0060.01711.90
5.3.240.0050.01511.80
5.3.230.0060.01811.78
5.3.220.0070.01611.88
5.3.210.0090.01511.80
5.3.200.0090.01511.75
5.3.190.0070.01611.87
5.3.180.0110.01111.96
5.3.170.0070.01511.91
5.3.160.0070.01611.91
5.3.150.0080.01411.95
5.3.140.0090.01511.94
5.3.130.0090.01411.88
5.3.120.0080.01611.91
5.3.110.0090.01511.92
5.3.100.0050.01711.80
5.3.90.0080.01411.76
5.3.80.0050.01611.71
5.3.70.0090.01211.71
5.3.60.0070.01511.82
5.3.50.0080.01411.69
5.3.40.0060.01611.71
5.3.30.0090.01411.72
5.3.20.0100.01311.69
5.3.10.0060.01611.55
5.3.00.0070.01511.55

preferences:
43.11 ms | 400 KiB | 5 Q