3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pos = strpos('xyz','x'); echo isset($pos); echo $pos !== false; echo "'$pos'";

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)
8.3.70.0130.00316.63
8.3.60.0070.01018.39
8.3.50.0130.00521.08
8.3.40.0070.00718.68
8.3.30.0070.01120.22
8.3.20.0040.00420.21
8.3.10.0050.00321.18
8.3.00.0000.00722.58
8.2.180.0070.01016.63
8.2.170.0000.01522.96
8.2.160.0070.00722.01
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00420.79
8.2.110.0060.00319.27
8.2.100.0070.00417.72
8.2.90.0050.00319.05
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0040.00417.79
8.2.50.0040.00418.07
8.2.40.0000.00818.13
8.2.30.0000.00819.47
8.2.20.0000.00717.57
8.2.10.0070.00017.59
8.2.00.0040.00417.54
8.1.280.0060.00925.92
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.83
8.1.230.0080.00420.85
8.1.220.0000.00718.77
8.1.210.0060.00318.85
8.1.200.0030.00617.23
8.1.190.0000.00817.39
8.1.180.0000.00818.10
8.1.170.0040.00418.66
8.1.160.0040.00418.76
8.1.150.0050.00518.56
8.1.140.0000.00817.25
8.1.130.0000.00717.86
8.1.120.0040.00417.34
8.1.110.0000.00717.23
8.1.100.0030.00517.36
8.1.90.0000.00817.26
8.1.80.0030.00317.43
8.1.70.0000.00717.27
8.1.60.0030.00617.55
8.1.50.0040.00417.44
8.1.40.0050.00217.39
8.1.30.0080.00017.55
8.1.20.0000.00817.55
8.1.10.0000.00717.41
8.1.00.0030.00617.45
8.0.300.0070.00019.98
8.0.290.0060.00317.05
8.0.280.0030.00318.38
8.0.270.0000.00717.30
8.0.260.0050.00516.68
8.0.250.0000.00716.82
8.0.240.0070.00016.91
8.0.230.0000.00816.92
8.0.220.0000.00716.84
8.0.210.0050.00216.87
8.0.200.0060.00016.80
8.0.190.0030.00516.96
8.0.180.0040.00416.93
8.0.170.0040.00416.75
8.0.160.0070.00016.81
8.0.150.0000.00716.80
8.0.140.0040.00416.82
8.0.130.0040.00413.31
8.0.120.0000.00816.87
8.0.110.0080.00016.71
8.0.100.0000.00716.91
8.0.90.0000.00716.73
8.0.80.0080.00816.84
8.0.70.0000.00716.67
8.0.60.0000.00716.94
8.0.50.0040.00416.90
8.0.30.0110.01217.00
8.0.20.0100.00917.40
8.0.10.0000.00716.90
8.0.00.0150.00516.78
7.4.330.0000.00616.67
7.4.320.0040.00416.56
7.4.300.0000.00616.61
7.4.290.0030.00316.50
7.4.280.0000.00716.50
7.4.270.0000.00716.51
7.4.260.0050.00013.22
7.4.250.0000.00816.59
7.4.240.0070.00016.40
7.4.230.0070.00016.49
7.4.220.0090.01216.61
7.4.210.0060.01016.54
7.4.200.0040.00416.32
7.4.190.0070.00016.63
7.4.160.0070.01016.44
7.4.150.0160.00317.40
7.4.140.0110.00617.86
7.4.130.0100.00816.46
7.4.120.0060.01116.53
7.4.110.0060.01116.46
7.4.100.0110.00716.61
7.4.90.0100.00616.46
7.4.80.0100.00819.39
7.4.70.0080.00816.68
7.4.60.0110.00616.44
7.4.50.0040.00416.58
7.4.40.0100.00622.77
7.4.30.0090.00916.67
7.4.00.0120.00314.75
7.3.330.0000.00613.11
7.3.320.0000.00613.03
7.3.310.0030.00316.38
7.3.300.0060.00016.08
7.3.290.0100.00316.29
7.3.280.0110.00616.26
7.3.270.0060.01317.40
7.3.260.0090.01018.24
7.3.250.0080.00816.43
7.3.240.0100.00716.52
7.3.230.0130.00716.39
7.3.210.0100.00716.39
7.3.200.0090.00919.39
7.3.190.0090.00916.29
7.3.180.0080.00816.49
7.3.170.0130.00316.38
7.3.160.0060.00916.17
7.3.120.0090.00614.60
7.2.330.0120.01216.61
7.2.320.0100.00716.58
7.2.310.0040.01516.41
7.2.300.0030.01316.69
7.2.290.0070.01016.62
7.2.60.0090.00917.05
7.1.200.0100.00315.57
7.1.70.0000.01116.98
7.1.60.0100.01319.17
7.1.50.0070.01716.93
7.1.00.0000.03722.31
7.0.200.0000.00716.69
7.0.140.0030.07322.22
7.0.70.0030.08021.76
7.0.60.0070.08321.64
7.0.50.0000.06022.20
7.0.40.0130.07720.13
7.0.30.0070.08320.05
7.0.20.0030.08720.05
7.0.10.0070.08320.04
7.0.00.0030.07320.07
5.6.280.0070.07321.14
5.6.220.0130.07020.57
5.6.210.0070.08020.67
5.6.200.0070.08721.11
5.6.190.0070.04321.03
5.6.180.0130.07321.01
5.6.170.0030.05721.05
5.6.160.0100.04320.94
5.6.150.0070.07721.02
5.6.140.0030.08321.11
5.6.130.0070.08321.03
5.6.120.0030.06020.97
5.6.110.0030.08321.04
5.6.100.0030.06321.06
5.6.90.0100.07320.98
5.6.80.0000.08320.39
5.6.70.0100.07320.48
5.6.60.0030.05320.27
5.6.50.0000.08720.46
5.6.40.0070.07720.43
5.6.30.0030.05320.29
5.6.20.0000.04320.48
5.6.10.0000.06720.33
5.6.00.0000.04720.36
5.5.360.0100.07720.43
5.5.350.0130.05720.36
5.5.340.0030.08720.88
5.5.330.0100.07020.75
5.5.320.0070.07720.88
5.5.310.0030.05720.75
5.5.300.0070.08320.91
5.5.290.0130.07320.82
5.5.280.0070.08320.89
5.5.270.0030.06720.79
5.5.260.0030.08720.77
5.5.250.0070.05720.70
5.5.240.0030.08020.02
5.5.230.0030.05020.02
5.5.220.0030.05320.17
5.5.210.0030.06020.29
5.5.200.0030.06020.11
5.5.190.0100.07720.22
5.5.180.0070.04020.17
5.5.160.0030.08320.18
5.5.150.0130.07019.97
5.5.140.0100.07720.21
5.5.130.0070.06320.12
5.5.120.0070.05020.15
5.5.110.0030.05720.16
5.5.100.0070.07320.16
5.5.90.0000.07720.04
5.5.80.0070.08320.05
5.5.70.0070.07320.14
5.5.60.0070.09720.13
5.5.50.0030.08020.05
5.5.40.0030.06020.08
5.5.30.0030.08320.07
5.5.20.0100.05720.06
5.5.10.0000.07020.03
5.5.00.0000.06319.98
5.4.450.0030.08319.32
5.4.440.0030.08019.36
5.4.430.0100.07019.36
5.4.420.0030.08319.43
5.4.410.0000.07719.32
5.4.400.0030.08019.07
5.4.390.0070.07319.14
5.4.380.0000.08319.06
5.4.370.0100.04018.97
5.4.360.0130.07019.04
5.4.350.0000.05718.90
5.4.340.0030.07019.06
5.4.320.0100.05319.04
5.4.310.0030.08019.07
5.4.300.0070.08018.98
5.4.290.0030.07719.14
5.4.280.0000.04318.78
5.4.270.0070.05019.07
5.4.260.0030.04318.90
5.4.250.0030.08318.80
5.4.240.0030.04719.02
5.4.230.0030.07318.97
5.4.220.0070.06719.07
5.4.210.0000.08019.22
5.4.200.0070.06718.97
5.4.190.0030.05719.02
5.4.180.0070.07718.77
5.4.170.0000.07019.21
5.4.160.0000.08318.96
5.4.150.0000.07318.88
5.4.140.0030.07316.38
5.4.130.0070.07716.26
5.4.120.0030.05016.28
5.4.110.0100.07016.43
5.4.100.0030.05316.26
5.4.90.0030.07016.26
5.4.80.0030.07316.43
5.4.70.0000.07716.23
5.4.60.0000.05316.40
5.4.50.0000.07316.24
5.4.40.0030.05316.46
5.4.30.0070.07016.40
5.4.20.0030.07716.41
5.4.10.0000.07716.41
5.4.00.0030.06715.71
5.3.290.0000.08014.52
5.3.280.0030.04014.45
5.3.270.0070.07714.57
5.3.260.0000.07314.60
5.3.250.0030.08014.45
5.3.240.0100.06714.58
5.3.230.0100.07314.45
5.3.220.0000.06014.51
5.3.210.0000.05714.56
5.3.200.0030.07314.55
5.3.190.0030.06014.42
5.3.180.0070.04314.55
5.3.170.0030.06014.55
5.3.160.0030.07314.50
5.3.150.0130.07314.56
5.3.140.0100.07014.48
5.3.130.0100.04314.45
5.3.120.0070.04714.49
5.3.110.0070.06714.52
5.3.100.0000.08013.89
5.3.90.0030.06013.95
5.3.80.0100.07313.97
5.3.70.0030.05313.97
5.3.60.0030.06014.00
5.3.50.0000.07313.90
5.3.40.0030.07313.94
5.3.30.0070.07313.89
5.3.20.0000.05013.54
5.3.10.0130.06013.63
5.3.00.0000.07313.61
5.2.170.0030.06712.52
5.2.160.0000.06012.52
5.2.150.0000.05312.52
5.2.140.0030.05012.52
5.2.130.0100.05012.52
5.2.120.0030.04712.52
5.2.110.0070.06012.52
5.2.100.0030.04012.52
5.2.90.0030.06012.52
5.2.80.0030.04712.52
5.2.70.0070.03712.52
5.2.60.0070.03012.52
5.2.50.0030.06012.52
5.2.40.0030.05712.52
5.2.30.0000.05312.52
5.2.20.0070.03712.52
5.2.10.0070.06012.52
5.2.00.0030.04712.52
5.1.60.0070.05312.52
5.1.50.0030.03712.52
5.1.40.0070.04012.52
5.1.30.0030.04312.52
5.1.20.0070.05012.52
5.1.10.0000.06012.52
5.1.00.0030.05712.52
5.0.50.0030.04712.52
5.0.40.0000.04712.52
5.0.30.0030.06312.52
5.0.20.0030.04312.52
5.0.10.0000.04712.52
5.0.00.0030.05312.52
4.4.90.0030.01712.52
4.4.80.0000.02012.52
4.4.70.0000.04012.52
4.4.60.0070.02712.52
4.4.50.0000.03712.52
4.4.40.0070.04312.52
4.4.30.0000.03712.52
4.4.20.0000.03312.52
4.4.10.0000.03712.52
4.4.00.0000.04312.52
4.3.110.0000.03712.52
4.3.100.0000.03312.52
4.3.90.0000.03012.52
4.3.80.0000.03712.52
4.3.70.0030.02012.52
4.3.60.0000.03012.52
4.3.50.0030.02312.52
4.3.40.0000.05312.52
4.3.30.0000.03712.52
4.3.20.0000.03712.52
4.3.10.0000.03012.52
4.3.00.0030.02312.52

preferences:
40.66 ms | 401 KiB | 5 Q