3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(substr('asdf', '.'));

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)
8.3.60.0100.01016.63
8.3.50.0110.00418.05
8.3.40.0160.00318.52
8.3.30.0080.01218.67
8.3.20.0000.00820.20
8.3.10.0040.00423.71
8.3.00.0050.00319.50
8.2.180.0120.00318.54
8.2.170.0140.00022.96
8.2.160.0070.01420.39
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00520.53
8.2.120.0080.00026.35
8.2.110.0030.00622.25
8.2.100.0070.00417.91
8.2.90.0080.00018.22
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0000.00817.91
8.2.50.0080.00018.07
8.2.40.0000.00821.18
8.2.30.0070.00020.53
8.2.20.0060.00317.72
8.2.10.0040.00418.00
8.2.00.0050.00218.05
8.1.280.0180.00725.92
8.1.270.0110.00423.96
8.1.260.0070.00028.09
8.1.250.0080.00028.09
8.1.240.0030.00622.21
8.1.230.0030.00721.01
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.00817.23
8.1.190.0050.00317.41
8.1.180.0040.00418.10
8.1.170.0070.00318.48
8.1.160.0040.00421.99
8.1.150.0060.00318.67
8.1.140.0040.00419.52
8.1.130.0030.00317.57
8.1.120.0040.00417.31
8.1.110.0070.00017.29
8.1.100.0050.00217.37
8.1.90.0040.00417.22
8.1.80.0070.00017.22
8.1.70.0070.00017.29
8.1.60.0080.00017.36
8.1.50.0080.00017.49
8.1.40.0000.00817.35
8.1.30.0050.00517.63
8.1.20.0000.00717.46
8.1.10.0000.00717.52
8.1.00.0090.00017.42
8.0.300.0080.00020.00
8.0.290.0070.00016.75
8.0.280.0070.00018.38
8.0.270.0000.00717.23
8.0.260.0000.00617.20
8.0.250.0040.00416.97
8.0.240.0030.00316.87
8.0.230.0070.00016.86
8.0.220.0060.00016.75
8.0.210.0030.00516.89
8.0.200.0060.00016.94
8.0.190.0000.00717.01
8.0.180.0080.00016.93
8.0.170.0080.00016.99
8.0.160.0030.00316.98
8.0.150.0000.00716.73
8.0.140.0060.00316.74
8.0.130.0030.00313.34
8.0.120.0000.00916.73
8.0.110.0030.00516.88
8.0.100.0040.00416.69
8.0.90.0030.00516.93
8.0.80.0040.01116.79
8.0.70.0040.00416.75
8.0.60.0040.00416.80
8.0.50.0040.00416.95
8.0.30.0110.00717.14
8.0.20.0140.00417.40
8.0.10.0070.00016.92
8.0.00.0040.01616.59
7.4.330.0050.00016.84
7.4.320.0000.00616.28
7.4.300.0030.00316.38
7.4.290.0000.00716.39
7.4.280.0040.00416.51
7.4.270.0070.00016.45
7.4.260.0040.00416.28
7.4.250.0040.00416.36
7.4.240.0000.00716.43
7.4.230.0070.00016.49
7.4.220.0070.01016.41
7.4.210.0090.00616.57
7.4.200.0030.00316.51
7.4.160.0040.01516.35
7.4.150.0120.00617.40
7.4.140.0070.01517.86
7.4.130.0070.01016.34
7.4.120.0120.00816.26
7.4.110.0090.00916.56
7.4.100.0070.01116.56
7.4.90.0000.01616.44
7.4.80.0030.01819.39
7.4.70.0040.01216.44
7.4.60.0070.01016.31
7.4.50.0060.00916.14
7.4.40.0030.01416.45
7.4.30.0160.00316.29
7.4.00.0030.01314.98
7.3.330.0060.00012.89
7.3.320.0050.00013.04
7.3.310.0030.00316.26
7.3.300.0000.00616.13
7.3.290.0110.00716.22
7.3.280.0060.01116.20
7.3.270.0060.01217.40
7.3.260.0100.00616.50
7.3.250.0130.00516.16
7.3.240.0090.01116.16
7.3.230.0130.00616.39
7.3.210.0130.00616.12
7.3.200.0150.00616.18
7.3.190.0060.01016.25
7.3.180.0040.01816.16
7.3.170.0030.01316.27
7.3.160.0110.01116.32
7.3.120.0090.00314.81
7.3.110.0130.00314.70
7.3.100.0030.01314.70
7.3.90.0000.01614.64
7.3.80.0030.00914.65
7.3.70.0000.01114.49
7.3.60.0090.00614.52
7.3.50.0000.01314.69
7.3.40.0040.00414.43
7.3.30.0050.00514.48
7.3.20.0120.00616.23
7.3.10.0070.01016.39
7.3.00.0060.00616.59
7.2.330.0040.01416.46
7.2.320.0110.01116.31
7.2.310.0100.00616.30
7.2.300.0080.00816.50
7.2.290.0120.00416.18
7.2.250.0030.01314.40
7.2.240.0120.00314.54
7.2.230.0000.01615.02
7.2.220.0070.01014.86
7.2.210.0030.01514.97
7.2.200.0000.00914.72
7.2.190.0060.01014.82
7.2.180.0070.00314.50
7.2.170.0070.00714.80
7.2.160.0000.01914.65
7.2.150.0120.00316.32
7.2.140.0060.01216.48
7.2.130.0000.01616.70
7.2.120.0100.00716.72
7.2.110.0190.00716.35
7.2.100.0120.00616.71
7.2.90.0110.00616.54
7.2.80.0140.00716.45
7.2.70.0070.00716.82
7.2.60.0050.01216.54
7.2.50.0130.00316.70
7.2.40.0060.01016.77
7.2.30.0070.01016.84
7.2.20.0090.00416.32
7.2.10.0080.00816.40
7.2.00.0050.01217.65
7.1.330.0000.01115.46
7.1.320.0110.00715.44
7.1.310.0030.00615.66
7.1.300.0040.01215.59
7.1.290.0060.00615.56
7.1.280.0030.00715.69
7.1.270.0090.00615.49
7.1.260.0030.00715.38
7.1.250.0060.00615.76
7.1.240.0070.01015.45
7.1.230.0030.00915.65
7.1.220.0060.00915.44
7.1.210.0060.01215.58
7.1.200.0060.00615.46
7.1.190.0030.00915.67
7.1.180.0040.00415.30
7.1.170.0080.00315.37
7.1.160.0030.01015.72
7.1.150.0090.00615.55
7.1.140.0080.00415.71
7.1.130.0100.00315.30
7.1.120.0000.01415.42
7.1.110.0040.01315.68
7.1.100.0070.00716.79
7.1.90.0070.00315.64
7.1.80.0090.00615.70
7.1.70.0040.00716.16
7.1.60.0090.01017.44
7.1.50.0110.00716.20
7.1.40.0070.00715.59
7.1.30.0030.01415.34
7.1.20.0140.00715.75
7.1.10.0030.00915.56
7.1.00.0080.03719.03
7.0.330.0000.01815.18
7.0.320.0120.00015.35
7.0.310.0120.00415.14
7.0.300.0070.00315.05
7.0.290.0030.01015.37
7.0.280.0000.00815.20
7.0.270.0070.01015.23
7.0.260.0040.01115.32
7.0.250.0100.00715.18
7.0.240.0130.00015.35
7.0.230.0060.00615.39
7.0.220.0110.00415.24
7.0.210.0070.00315.44
7.0.200.0030.00715.86
7.0.190.0080.00015.39
7.0.180.0070.01015.07
7.0.170.0070.00715.16
7.0.160.0070.01315.19
7.0.150.0090.00315.29
7.0.140.0030.01015.00
7.0.130.0060.00615.20
7.0.120.0090.00915.36
7.0.110.0090.00315.04
7.0.100.0060.00615.36
7.0.90.0030.00715.15
7.0.80.0050.00515.11
7.0.70.0070.00714.94
7.0.60.0050.02517.49
7.0.50.0000.04216.63
7.0.40.0070.04216.73
7.0.30.0190.04116.89
7.0.20.0200.04216.70
7.0.10.0030.04016.57
7.0.00.0030.03016.83
5.6.400.0080.00413.89
5.6.390.0070.00714.39
5.6.380.0060.01214.39
5.6.370.0070.00714.26
5.6.360.0040.00714.31
5.6.350.0040.01113.99
5.6.340.0030.00614.08
5.6.330.0150.00414.14
5.6.320.0000.01214.14
5.6.310.0090.00614.28
5.6.300.0000.00914.28
5.6.290.0070.00714.25
5.6.280.0060.01817.56
5.6.270.0060.00313.77
5.6.260.0060.00614.04
5.6.250.0060.00614.14
5.6.240.0040.01113.84
5.6.230.0000.01114.07
5.6.220.0030.01314.05
5.6.210.0080.04317.37
5.6.200.0120.03815.96
5.6.190.0100.04317.38
5.6.180.0270.04217.22
5.6.170.0140.04617.38
5.6.160.0080.02017.28
5.6.150.0080.02316.15
5.6.140.0060.04516.01
5.6.130.0080.04716.06
5.6.120.0080.03517.73
5.6.110.0030.03617.61
5.6.100.0080.02817.59
5.6.90.0020.04817.52
5.6.80.0050.03317.11
5.6.70.0000.01314.04
5.6.60.0070.01113.78
5.6.50.0060.00914.25
5.6.40.0090.00613.89
5.6.30.0000.01313.99
5.6.20.0000.01214.01
5.6.10.0030.01014.00
5.6.00.0060.00313.96
5.5.380.0030.00913.93
5.5.370.0000.01814.22
5.5.360.0130.00013.67
5.5.350.0170.03717.25
5.5.340.0050.03915.93
5.5.330.0090.04517.24
5.5.320.0050.02917.20
5.5.310.0110.02617.15
5.5.300.0110.03515.85
5.5.290.0050.02616.04
5.5.280.0070.03917.41
5.5.270.0030.04817.26
5.5.260.0100.04017.23
5.5.250.0140.04317.35
5.5.240.0140.03717.13
5.5.230.0060.01014.07
5.5.220.0040.01214.05
5.5.210.0030.01413.70
5.5.200.0000.01413.98
5.5.190.0060.00914.13
5.5.180.0040.00413.85
5.5.170.0030.01013.88
5.5.160.0070.00713.91
5.5.150.0070.00713.68
5.5.140.0110.00014.09
5.5.130.0050.00513.60
5.5.120.0000.00813.70
5.5.110.0030.00713.81
5.5.100.0000.01014.11
5.5.90.0060.00614.10
5.5.80.0060.00913.81
5.5.70.0050.00513.70
5.5.60.0030.01013.49
5.5.50.0030.01014.06
5.5.40.0060.00913.98
5.5.30.0060.00314.07
5.5.20.0070.00713.88
5.5.10.0000.00813.55
5.5.00.0130.00013.79

preferences:
57.82 ms | 401 KiB | 5 Q