3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("LECTURER", 0, 4) == "LECT";

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)
8.3.60.0180.00016.50
8.3.50.0170.00922.00
8.3.40.0070.00718.46
8.3.30.0140.00719.04
8.3.20.0050.00220.34
8.3.10.0000.00723.65
8.3.00.0040.00420.88
8.2.180.0040.01116.32
8.2.170.0120.00322.96
8.2.160.0110.00320.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0120.00626.16
8.2.120.0030.00622.31
8.2.110.0040.00421.98
8.2.100.0120.00017.66
8.2.90.0000.00819.05
8.2.80.0040.00417.97
8.2.70.0060.00617.25
8.2.60.0000.00817.80
8.2.50.0080.00018.07
8.2.40.0090.00018.03
8.2.30.0040.00418.05
8.2.20.0050.00217.50
8.2.10.0000.00717.44
8.2.00.0000.00817.43
8.1.280.0090.00925.92
8.1.270.0040.00422.04
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0100.00023.91
8.1.230.0030.00618.94
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.53
8.1.180.0080.00018.10
8.1.170.0090.00018.59
8.1.160.0050.00221.93
8.1.150.0040.00418.54
8.1.140.0080.00017.39
8.1.130.0050.00217.73
8.1.120.0000.00717.34
8.1.110.0000.00817.44
8.1.100.0030.00317.40
8.1.90.0030.00317.41
8.1.80.0040.00417.32
8.1.70.0030.00317.34
8.1.60.0000.00817.51
8.1.50.0040.00417.48
8.1.40.0000.00717.49
8.1.30.0050.00317.57
8.1.20.0020.00517.53
8.1.10.0000.00717.36
8.1.00.0060.00317.27
8.0.300.0080.00018.77
8.0.290.0070.00017.05
8.0.280.0030.00318.39
8.0.270.0070.00017.19
8.0.260.0070.00016.78
8.0.250.0000.00616.80
8.0.240.0070.00016.87
8.0.230.0040.00416.79
8.0.220.0000.00716.80
8.0.210.0040.00416.76
8.0.200.0000.00816.84
8.0.190.0090.00016.87
8.0.180.0070.00016.79
8.0.170.0040.00416.82
8.0.160.0000.00716.82
8.0.150.0000.00716.79
8.0.140.0050.00216.69
8.0.130.0000.00513.26
8.0.120.0040.00416.83
8.0.110.0000.00816.78
8.0.100.0000.00716.82
8.0.90.0030.00316.87
8.0.80.0060.00916.81
8.0.70.0000.00816.72
8.0.60.0000.00816.83
8.0.50.0050.00316.80
8.0.30.0050.01516.97
8.0.20.0100.00917.40
8.0.10.0000.00716.82
8.0.00.0070.01016.71
7.4.330.0000.00515.00
7.4.320.0060.00016.56
7.4.300.0000.00616.54
7.4.290.0030.00316.52
7.4.280.0030.00316.47
7.4.270.0030.00316.54
7.4.260.0000.00816.51
7.4.250.0000.00716.39
7.4.240.0070.00016.46
7.4.230.0000.00716.43
7.4.220.0060.00916.38
7.4.210.0080.00716.55
7.4.200.0050.00216.60
7.4.190.0020.00516.62
7.4.160.0080.00816.37
7.4.150.0060.01117.40
7.4.140.0070.01017.86
7.4.130.0130.00316.44
7.4.120.0120.00916.48
7.4.110.0080.00816.49
7.4.100.0060.01216.35
7.4.90.0070.01016.38
7.4.80.0090.00919.39
7.4.70.0030.01416.34
7.4.60.0030.01416.49
7.4.50.0000.00816.50
7.4.40.0030.01322.77
7.4.30.0060.01016.55
7.4.00.0070.01014.79
7.3.330.0050.00013.13
7.3.320.0060.00012.93
7.3.310.0030.00316.16
7.3.300.0030.00316.11
7.3.290.0070.01016.23
7.3.280.0040.01116.27
7.3.270.0150.00317.40
7.3.260.0080.00816.60
7.3.250.0130.00316.40
7.3.240.0070.01016.19
7.3.230.0100.00616.39
7.3.210.0060.01116.29
7.3.200.0030.01419.39
7.3.190.0110.01116.23
7.3.180.0120.00516.52
7.3.170.0030.01716.43
7.3.160.0030.01316.25
7.3.120.0100.00714.44
7.3.10.0080.00016.35
7.3.00.0030.01116.38
7.2.330.0110.00616.28
7.2.320.0030.01316.64
7.2.310.0160.00316.38
7.2.300.0040.01516.63
7.2.290.0100.01316.68
7.2.130.0130.00316.57
7.2.120.0190.00616.81
7.2.110.0080.00616.49
7.2.100.0100.00716.58
7.2.90.0050.00716.74
7.2.80.0080.00716.70
7.2.70.0080.00816.75
7.2.60.0090.00616.64
7.2.50.0080.00716.62
7.2.40.0100.00916.80
7.2.30.0110.00616.79
7.2.20.0080.00616.72
7.2.10.0100.00516.40
7.2.00.0060.01117.56
7.1.250.0160.00315.62
7.1.230.0030.00915.87
7.1.220.0000.01215.71
7.1.210.0090.00615.58
7.1.200.0030.01015.62
7.1.190.0000.01515.41
7.1.180.0060.00615.64
7.1.170.0110.00415.71
7.1.160.0080.00415.47
7.1.150.0060.00615.72
7.1.140.0040.00815.57
7.1.130.0040.00815.80
7.1.120.0070.00715.81
7.1.110.0000.01115.70
7.1.100.0000.01216.89
7.1.90.0030.01015.58
7.1.80.0060.00615.70
7.1.70.0080.00616.16
7.1.60.0120.00917.57
7.1.50.0110.00916.18
7.1.40.0060.00915.57
7.1.30.0030.01215.91
7.1.20.0030.01315.95
7.1.10.0050.00515.64
7.1.00.0030.04218.89
7.0.310.0060.00815.13
7.0.300.0000.01315.31
7.0.290.0060.00615.14
7.0.280.0030.00715.45
7.0.270.0040.00815.17
7.0.260.0040.00415.39
7.0.250.0060.00615.48
7.0.240.0090.00415.46
7.0.230.0080.00315.42
7.0.220.0040.00815.48
7.0.210.0000.01115.25
7.0.200.0090.00315.77
7.0.190.0040.00715.09
7.0.180.0120.00315.29
7.0.170.0040.00715.44
7.0.160.0040.00915.00
7.0.150.0050.00815.23
7.0.140.0050.04218.61
7.0.130.0060.00615.12
7.0.120.0040.00415.32
7.0.110.0060.00615.44
7.0.100.0080.02317.72
7.0.90.0070.02117.61
7.0.80.0070.02117.67
7.0.70.0100.02017.49
7.0.60.0000.02317.57
7.0.50.0080.02217.94
7.0.40.0080.04516.73
7.0.30.0030.04616.72
7.0.20.0030.04216.79
7.0.10.0100.04016.75
7.0.00.0030.05016.72
5.6.380.0040.00814.37
5.6.370.0060.00914.10
5.6.360.0090.00314.22
5.6.350.0030.01014.00
5.6.340.0060.00614.20
5.6.330.0060.00314.11
5.6.320.0040.00414.20
5.6.310.0060.00914.56
5.6.300.0070.00614.46
5.6.290.0040.00714.16
5.6.280.0100.03517.42
5.6.270.0090.00314.27
5.6.260.0040.00414.41
5.6.250.0060.02317.48
5.6.240.0050.03117.44
5.6.230.0020.02617.58
5.6.220.0070.03217.42
5.6.210.0030.03217.38
5.6.200.0060.02917.64
5.6.190.0020.04017.60
5.6.180.0020.04817.59
5.6.170.0120.03717.49
5.6.160.0080.03517.61
5.6.150.0080.02817.65
5.6.140.0090.03617.79
5.6.130.0020.05017.59
5.6.120.0090.03517.68
5.6.110.0050.04717.52
5.6.100.0050.04717.67
5.6.90.0100.04017.59
5.6.80.0050.04217.39
5.6.70.0030.04317.40
5.6.60.0050.04017.28
5.6.50.0070.04217.12
5.6.40.0060.04117.23
5.6.30.0050.04617.11
5.6.20.0080.03717.23
5.6.10.0050.03517.41
5.6.00.0060.04117.25
5.5.380.0070.01515.78
5.5.370.0050.02115.76
5.5.360.0080.01815.60
5.5.350.0010.02515.76
5.5.340.0060.02015.92
5.5.330.0080.03515.83
5.5.320.0020.02416.08
5.5.310.0050.02315.82
5.5.300.0080.03715.86
5.5.290.0030.04215.93
5.5.280.0030.04615.78
5.5.270.0050.03015.76
5.5.260.0100.02315.72
5.5.250.0060.04315.77
5.5.240.0080.03315.57
5.5.230.0120.02015.57
5.5.220.0020.04515.47
5.5.210.0030.02615.65
5.5.200.0080.03315.61
5.5.190.0050.02615.48
5.5.180.0100.03715.53
5.5.170.0030.00614.20
5.5.160.0050.03715.54
5.5.150.0090.03015.63
5.5.140.0020.04315.51
5.5.130.0070.04215.64
5.5.120.0030.03015.60
5.5.110.0080.04115.52
5.5.100.0050.02115.50
5.5.90.0080.03715.58
5.5.80.0030.04015.49
5.5.70.0110.03815.50
5.5.60.0050.03015.50
5.5.50.0060.02215.54
5.5.40.0080.03815.44
5.5.30.0090.04015.48
5.5.20.0030.03715.34
5.5.10.0080.03615.54
5.5.00.0060.04015.45
5.4.450.0110.02515.26
5.4.440.0080.04015.26
5.4.430.0050.04114.94
5.4.420.0050.04314.94
5.4.410.0060.02414.93
5.4.400.0000.03114.86
5.4.390.0080.03715.02
5.4.380.0000.04714.92
5.4.370.0030.04314.89
5.4.360.0020.04314.96
5.4.350.0000.04814.87
5.4.340.0080.03914.86
5.4.330.0040.00810.93
5.4.320.0050.03014.81
5.4.310.0050.03515.01
5.4.300.0020.03214.90
5.4.290.0050.03515.00
5.4.280.0050.04714.82
5.4.270.0030.02714.85
5.4.260.0100.02014.83
5.4.250.0030.03814.92
5.4.240.0080.04014.99
5.4.230.0030.03814.86
5.4.220.0080.04014.92
5.4.210.0110.03814.83
5.4.200.0030.02214.92
5.4.190.0030.04014.84
5.4.180.0030.02715.01
5.4.170.0030.02114.84
5.4.160.0040.04414.90
5.4.150.0060.03314.91
5.4.140.0070.03113.63
5.4.130.0070.03713.45
5.4.120.0080.03813.61
5.4.110.0050.03113.67
5.4.100.0070.03913.52
5.4.90.0070.03213.64
5.4.80.0020.04213.61
5.4.70.0060.04113.51
5.4.60.0030.04113.50
5.4.50.0100.03213.48
5.4.40.0080.02713.54
5.4.30.0080.03313.59
5.4.20.0050.02713.50
5.4.10.0030.02713.62
5.4.00.0080.01813.32
5.3.290.0050.03812.63
5.3.280.0050.04012.57
5.3.270.0100.03612.58
5.3.260.0020.02712.58
5.3.250.0110.03312.58
5.3.240.0090.04012.61
5.3.230.0030.04412.53
5.3.220.0030.04312.50
5.3.210.0090.03312.58
5.3.200.0020.04212.57
5.3.190.0030.04212.55
5.3.180.0030.03112.58
5.3.170.0050.03712.58
5.3.160.0040.04712.59
5.3.150.0100.03112.57
5.3.140.0030.02712.56
5.3.130.0070.04012.56
5.3.120.0090.03712.55
5.3.110.0050.04212.57
5.3.100.0080.02012.25
5.3.90.0020.02412.23
5.3.80.0020.02312.20
5.3.70.0070.03312.28
5.3.60.0080.02012.27
5.3.50.0080.03012.28
5.3.40.0050.02212.24
5.3.30.0020.04312.19
5.3.20.0030.03612.14
5.3.10.0000.03912.02
5.3.00.0050.03812.06
5.2.170.0050.01510.87
5.2.160.0030.02110.84
5.2.150.0030.02910.90
5.2.140.0050.03010.79
5.2.130.0030.03310.77
5.2.120.0020.03510.76
5.2.110.0060.03210.81
5.2.100.0080.02710.75
5.2.90.0000.02110.88
5.2.80.0060.03210.83
5.2.70.0050.03510.81
5.2.60.0040.03210.82
5.2.50.0060.03010.85
5.2.40.0060.01710.70
5.2.30.0000.02110.69
5.2.20.0020.02010.82
5.2.10.0010.02110.76
5.2.00.0050.03010.59
5.1.60.0020.02810.31
5.1.50.0030.02810.33
5.1.40.0030.02110.30
5.1.30.0030.02510.40
5.1.20.0000.02210.51
5.1.10.0020.02710.26
5.1.00.0090.02510.36
5.0.50.0050.02510.09
5.0.40.0050.01010.09
5.0.30.0020.03310.09
5.0.20.0080.02010.09
5.0.10.0030.02110.09
5.0.00.0050.03510.09
4.4.90.0040.01710.09
4.4.80.0030.00810.09
4.4.70.0010.01610.09
4.4.60.0050.02010.09
4.4.50.0040.01310.09
4.4.40.0030.02710.09
4.4.30.0020.01810.09
4.4.20.0030.01810.09
4.4.10.0050.01510.09
4.4.00.0030.01510.09
4.3.110.0030.02210.09
4.3.100.0030.01510.09
4.3.90.0000.02210.09
4.3.80.0050.02710.09
4.3.70.0050.00810.09
4.3.60.0000.01710.09
4.3.50.0030.01310.09
4.3.40.0020.02610.09
4.3.30.0010.01010.09
4.3.20.0010.01810.09
4.3.10.0050.01210.09
4.3.00.0050.01310.09

preferences:
49.95 ms | 401 KiB | 5 Q