3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strlen("abcd"); $s = "arc"; echo "count: " . strlen($s) . "\n"; $string = "Marcus"; $rest = $string; do { $rest = stristr($rest,$s); echo "rest: $rest\n"; $s3 = substr($rest,0,strlen($s)); $string = str_replace($s3,"<$s3>",$string); echo "s3: $s3\n"; $rest = substr($rest,strlen($s)); echo "rest: $rest\n"; echo "=======\n"; } while ($rest != false); echo "string: $string\n";

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)
8.3.60.0110.00416.50
8.3.50.0110.00822.05
8.3.40.0150.00318.67
8.3.30.0110.00319.16
8.3.20.0070.00020.35
8.3.10.0040.00423.53
8.3.00.0040.00419.18
8.2.180.0090.00918.16
8.2.170.0120.00322.96
8.2.160.0070.00720.38
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00222.14
8.2.110.0030.00622.21
8.2.100.0070.00317.91
8.2.90.0030.00619.28
8.2.80.0050.00317.97
8.2.70.0080.00017.50
8.2.60.0060.00317.93
8.2.50.0060.00318.07
8.2.40.0000.00819.95
8.2.30.0070.00018.12
8.2.20.0040.00417.62
8.2.10.0000.00818.11
8.2.00.0070.00317.61
8.1.280.0070.00725.92
8.1.270.0040.00424.01
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0040.00819.07
8.1.220.0040.00417.77
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0080.00317.25
8.1.180.0000.00818.88
8.1.170.0080.00018.41
8.1.160.0000.00722.06
8.1.150.0000.00718.54
8.1.140.0070.00017.35
8.1.130.0040.00417.78
8.1.120.0040.00417.52
8.1.110.0070.00017.39
8.1.100.0000.00817.36
8.1.90.0000.00717.47
8.1.80.0070.00017.47
8.1.70.0050.00317.41
8.1.60.0060.00317.63
8.1.50.0050.00317.29
8.1.40.0090.00017.53
8.1.30.0040.00417.54
8.1.20.0000.00817.59
8.1.10.0040.00417.52
8.1.00.0030.00517.48
8.0.300.0060.00318.77
8.0.290.0000.00717.05
8.0.280.0000.00718.45
8.0.270.0040.00416.76
8.0.260.0030.00317.13
8.0.250.0040.00416.95
8.0.240.0060.00316.94
8.0.230.0000.00716.85
8.0.220.0030.00316.91
8.0.210.0030.00316.85
8.0.200.0040.00416.83
8.0.190.0040.00417.02
8.0.180.0040.00416.88
8.0.170.0020.00516.86
8.0.160.0000.00716.82
8.0.150.0040.00416.88
8.0.140.0040.00416.81
8.0.130.0050.00013.27
8.0.120.0000.00816.75
8.0.110.0040.00416.93
8.0.100.0000.00916.92
8.0.90.0000.00816.88
8.0.80.0040.01416.92
8.0.70.0000.00816.85
8.0.60.0070.00016.84
8.0.50.0040.00416.88
8.0.30.0100.01117.34
8.0.20.0090.00917.40
8.0.10.0040.00417.01
8.0.00.0080.01116.88
7.4.330.0030.00315.20
7.4.320.0000.00716.50
7.4.300.0000.00616.57
7.4.290.0030.00316.59
7.4.280.0040.00416.41
7.4.270.0000.00716.54
7.4.260.0040.00416.60
7.4.250.0040.00416.46
7.4.240.0030.00516.59
7.4.230.0000.00816.34
7.4.220.0120.00616.36
7.4.210.0070.00916.51
7.4.200.0000.00716.46
7.4.190.0000.00716.66
7.4.160.0030.01816.48
7.4.150.0030.01617.40
7.4.140.0110.00617.86
7.4.130.0150.00816.49
7.4.120.0080.01016.42
7.4.110.0060.00916.43
7.4.100.0030.01316.45
7.4.90.0130.00416.62
7.4.80.0130.01319.39
7.4.70.0030.01316.33
7.4.60.0080.00816.31
7.4.50.0040.00416.16
7.4.40.0080.00816.57
7.4.30.0140.00916.46
7.4.00.0150.00014.67
7.3.330.0050.00013.15
7.3.320.0000.00613.05
7.3.310.0030.00316.39
7.3.300.0030.00316.27
7.3.290.0070.00716.37
7.3.280.0080.00916.28
7.3.270.0160.00017.40
7.3.260.0000.01616.57
7.3.250.0150.00316.46
7.3.240.0070.01116.32
7.3.230.0070.01016.41
7.3.210.0100.00616.46
7.3.200.0100.01019.39
7.3.190.0070.01016.25
7.3.180.0130.00316.47
7.3.170.0100.00716.27
7.3.160.0060.00916.46
7.3.120.0050.00814.92
7.2.330.0120.00616.47
7.2.320.0060.00916.75
7.2.310.0090.01016.63
7.2.300.0100.00716.59
7.2.290.0090.00916.74
7.2.60.0100.00316.66
7.2.00.0180.01119.73
7.1.200.0030.00915.59
7.1.100.0200.01318.31
7.1.70.0000.01017.22
7.1.60.0070.01319.46
7.1.50.0030.02116.73
7.1.00.0070.07322.48
7.0.200.0050.00316.63
7.0.140.0030.07022.11
7.0.70.0100.07321.69
7.0.60.0030.05021.82
7.0.50.0070.08322.12
7.0.40.0000.06720.17
7.0.30.0000.04720.13
7.0.20.0070.04320.12
7.0.10.0030.05720.16
7.0.00.0000.07720.14
5.6.280.0000.07721.02
5.6.220.0030.07020.57
5.6.210.0070.05720.64
5.6.200.0070.07721.08
5.6.190.0030.08720.95
5.6.180.0070.04021.14
5.6.170.0070.05721.04
5.6.160.0130.07021.04
5.6.150.0000.08720.94
5.6.140.0000.04321.09
5.6.130.0000.08720.95
5.6.120.0000.09020.93
5.6.110.0130.07320.99
5.6.100.0070.07021.03
5.6.90.0000.08721.08
5.6.80.0070.07020.52
5.6.70.0000.08020.39
5.6.60.0070.06320.45
5.6.50.0070.06020.32
5.6.40.0100.07320.39
5.6.30.0070.08020.32
5.6.20.0100.05720.43
5.6.10.0030.06320.37
5.6.00.0000.05020.35
5.5.360.0000.07320.33
5.5.350.0030.07720.44
5.5.340.0100.08320.78
5.5.330.0030.08320.90
5.5.320.0100.08320.82
5.5.310.0000.04320.87
5.5.300.0030.04020.75
5.5.290.0100.06720.72
5.5.280.0030.09020.89
5.5.270.0030.09720.89
5.5.260.0030.08320.82
5.5.250.0030.08020.70
5.5.240.0030.08020.14
5.5.230.0100.05320.11
5.5.220.0070.07320.25
5.5.210.0030.07020.20
5.5.200.0030.08019.99
5.5.190.0030.04320.20
5.5.180.0070.03720.12
5.5.160.0100.06720.27
5.5.150.0030.08320.17
5.5.140.0030.05720.11
5.5.130.0100.07020.17
5.5.120.0100.04320.24
5.5.110.0000.05020.25
5.5.100.0070.08020.13
5.5.90.0070.05320.16
5.5.80.0030.07320.09
5.5.70.0070.07720.08
5.5.60.0100.07719.96
5.5.50.0030.08319.96
5.5.40.0000.08320.04
5.5.30.0070.06320.13
5.5.20.0030.05019.95
5.5.10.0100.07320.04
5.5.00.0070.08019.96
5.4.450.0030.07719.14
5.4.440.0100.08019.55
5.4.430.0130.07319.22
5.4.420.0000.07019.54
5.4.410.0000.05019.24
5.4.400.0030.07719.23
5.4.390.0000.05718.81
5.4.380.0030.04019.16
5.4.370.0030.07318.98
5.4.360.0070.04719.04
5.4.350.0030.07719.07
5.4.340.0000.08019.07
5.4.320.0000.08319.12
5.4.310.0030.07019.12
5.4.300.0030.07719.09
5.4.290.0030.05718.91
5.4.280.0030.07319.04
5.4.270.0070.07718.78
5.4.260.0030.06019.07
5.4.250.0100.06019.05
5.4.240.0100.06719.02
5.4.230.0030.07319.09
5.4.220.0000.08319.09
5.4.210.0000.08318.78
5.4.200.0000.07318.78
5.4.190.0030.07719.13
5.4.180.0030.05319.21
5.4.170.0070.06318.77
5.4.160.0070.08019.12
5.4.150.0000.08019.20
5.4.140.0100.07316.38
5.4.130.0030.07016.29
5.4.120.0000.05716.32
5.4.110.0030.06316.45
5.4.100.0070.07016.34
5.4.90.0030.07316.31
5.4.80.0030.07316.19
5.4.70.0100.06016.36
5.4.60.0070.06716.38
5.4.50.0030.06016.38
5.4.40.0000.07316.46
5.4.30.0000.06716.18
5.4.20.0070.06016.30
5.4.10.0030.06716.17
5.4.00.0030.04715.73
5.3.290.0000.06015.73
5.3.280.0030.04715.73
5.3.270.0100.07715.73
5.3.260.0000.07315.73
5.3.250.0000.06715.73
5.3.240.0130.06315.73
5.3.230.0000.06015.73
5.3.220.0070.06015.73
5.3.210.0030.07715.73
5.3.200.0000.07315.73
5.3.190.0030.07315.73
5.3.180.0000.06015.73
5.3.170.0070.07015.73
5.3.160.0070.07315.73
5.3.150.0000.08315.73
5.3.140.0070.07015.73
5.3.130.0070.05015.73
5.3.120.0070.03315.73
5.3.110.0070.05015.73
5.3.100.0030.06315.73
5.3.90.0030.07315.73
5.3.80.0030.07315.73
5.3.70.0070.07015.73
5.3.60.0000.07715.73
5.3.50.0030.06715.73
5.3.40.0030.06315.73
5.3.30.0070.06315.73
5.3.20.0100.03715.73
5.3.10.0030.07015.73
5.3.00.0000.06715.73
5.2.170.0000.06715.73
5.2.160.0070.05015.73
5.2.150.0030.07015.73
5.2.140.0030.06315.73
5.2.130.0030.05015.73
5.2.120.0030.06015.73
5.2.110.0000.06715.73
5.2.100.0000.06015.73
5.2.90.0130.05715.73
5.2.80.0070.04715.73
5.2.70.0000.06715.73
5.2.60.0030.04715.73
5.2.50.0030.06015.73
5.2.40.0000.05315.73
5.2.30.0030.04015.73
5.2.20.0070.02715.73
5.2.10.0070.04315.73
5.2.00.0000.06315.73
5.1.60.0100.05015.73
5.1.50.0070.05015.73
5.1.40.0000.04715.73
5.1.30.0130.05015.73
5.1.20.0030.04315.73
5.1.10.0030.04015.73
5.1.00.0030.05315.73
5.0.50.0030.04315.73
5.0.40.0100.03715.73
5.0.30.0030.05715.73
5.0.20.0000.04715.73
5.0.10.0000.04015.73
5.0.00.0000.06315.73
4.4.90.0000.03715.73
4.4.80.0000.02315.73
4.4.70.0000.03715.73
4.4.60.0000.03715.73
4.4.50.0100.03015.73
4.4.40.0000.05015.73
4.4.30.0070.03015.73
4.4.20.0070.03015.73
4.4.10.0000.03715.73
4.4.00.0000.05315.73
4.3.110.0070.03315.73
4.3.100.0030.02315.73
4.3.90.0000.03315.73
4.3.80.0000.05715.73
4.3.70.0030.02315.73
4.3.60.0030.03315.73
4.3.50.0000.03715.73
4.3.40.0070.05015.73
4.3.30.0070.02715.73
4.3.20.0000.03715.73
4.3.10.0000.03715.73
4.3.00.0000.03315.73

preferences:
52.7 ms | 400 KiB | 5 Q