3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "ab"; $s1 = "cAbfAbe"; $s2 = $s1; do { $s2 = stristr($s2,$s); echo "$s2"."\n"; $s2 = substr($s2,0,count($s)+1).".\n"; echo "$s2"."\n"; } while ($s2 != false);

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)
8.3.60.0120.00618.68
8.3.50.0120.00621.92
8.3.40.0060.00918.88
8.3.30.0140.00718.84
8.3.20.0000.00818.73
8.3.10.0080.00021.09
8.3.00.0040.00421.76
8.2.180.0040.01116.63
8.2.170.0120.00322.96
8.2.160.0030.01020.43
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0030.00519.77
8.2.110.0030.00620.42
8.2.100.0040.00818.03
8.2.90.0060.00319.04
8.2.80.0000.00718.04
8.2.70.0030.00617.61
8.2.60.0030.00618.03
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0020.00519.43
8.2.20.0050.00317.77
8.2.10.0080.00017.81
8.2.00.0040.00417.71
8.1.280.0180.00325.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00922.59
8.1.230.0070.00320.88
8.1.220.0040.00418.77
8.1.210.0040.00418.85
8.1.200.0060.00317.13
8.1.190.0090.00017.53
8.1.180.0040.00418.10
8.1.170.0060.00318.51
8.1.160.0000.00718.79
8.1.150.0030.00618.62
8.1.140.0050.00217.41
8.1.130.0040.00417.93
8.1.120.0000.00817.36
8.1.110.0000.00717.35
8.1.100.0000.00717.40
8.1.90.0030.00517.49
8.1.80.0000.00717.45
8.1.70.0030.00517.38
8.1.60.0000.00817.55
8.1.50.0050.00317.50
8.1.40.0080.00017.44
8.1.30.0000.00717.70
8.1.20.0000.00817.59
8.1.10.0040.00417.53
8.1.00.0040.00417.49
8.0.300.0040.00419.86
8.0.290.0040.00417.16
8.0.280.0070.00018.45
8.0.270.0040.00417.31
8.0.260.0030.00316.87
8.0.250.0000.00716.88
8.0.240.0030.00516.97
8.0.230.0000.00716.91
8.0.220.0040.00416.84
8.0.210.0050.00216.88
8.0.200.0030.00317.02
8.0.190.0040.00417.00
8.0.180.0000.00816.95
8.0.170.0040.00416.86
8.0.160.0040.00416.93
8.0.150.0000.00816.80
8.0.140.0080.00016.82
8.0.130.0000.00513.31
8.0.120.0030.00516.93
8.0.110.0040.00416.82
8.0.100.0030.00616.79
8.0.90.0030.00316.84
8.0.80.0040.01116.93
8.0.70.0000.00717.02
8.0.60.0040.00416.84
8.0.50.0070.00016.79
8.0.30.0160.00617.19
8.0.20.0080.01117.41
8.0.10.0030.00516.95
8.0.00.0070.01016.73
7.4.330.0070.00016.79
7.4.320.0050.00516.40
7.4.300.0040.00416.37
7.4.290.0000.01016.39
7.4.280.0050.00316.38
7.4.270.0000.01016.54
7.4.260.0070.00013.23
7.4.250.0040.00416.34
7.4.240.0000.00816.27
7.4.230.0000.00716.36
7.4.220.0230.01216.26
7.4.210.0120.01116.41
7.4.200.0040.00416.28
7.4.190.0030.00616.62
7.4.160.0280.00716.52
7.4.150.0420.01617.40
7.4.140.0200.01217.86
7.4.130.0240.01216.51
7.4.120.0160.01716.43
7.4.110.0240.05016.29
7.4.100.0150.01616.47
7.4.90.0160.00616.52
7.4.80.0170.01019.39
7.4.70.0300.02016.34
7.4.60.0920.02916.43
7.4.50.0090.00316.42
7.4.40.0150.00722.77
7.4.30.0630.01416.62
7.3.330.0020.00413.15
7.3.320.0070.00013.13
7.3.310.0060.00316.20
7.3.300.0040.00416.36
7.3.290.0180.00416.31
7.3.280.0120.01416.32
7.3.270.0250.00817.40
7.3.260.0240.01618.24
7.3.250.0220.02416.39
7.3.240.0170.01416.42
7.3.230.0660.01616.39
7.3.210.0230.00916.34
7.3.200.0090.01219.39
7.3.190.0220.00616.70
7.3.180.0210.01516.42
7.3.170.0260.01716.42
7.3.160.0130.01016.20
7.2.330.1210.01416.71
7.2.320.0100.01816.60
7.2.310.0470.02116.75
7.2.300.0860.02416.73
7.2.290.0630.02916.82
7.2.100.1980.01314.39
7.2.90.0900.01014.78
7.2.80.0150.00414.68
7.2.70.1470.01015.09
7.2.60.0600.00815.03
7.2.50.1240.00414.97
7.2.40.0380.00915.15
7.2.30.0070.01514.89
7.2.20.0180.00715.10
7.2.10.0480.00415.07
7.2.00.1120.00814.73
7.1.220.1700.01613.93
7.1.210.2270.00914.01
7.1.200.0340.00714.01
7.1.190.0660.00613.63
7.1.180.0420.01513.61
7.1.170.1350.01713.98
7.1.160.0380.01413.98
7.1.150.0510.01113.72
7.1.140.0450.00313.83
7.1.130.0520.02313.93
7.1.120.0530.00813.79
7.1.110.0750.01114.02
7.1.100.0220.01913.93
7.1.90.0420.00513.83
7.1.80.1200.00913.91
7.1.70.0270.01113.83
7.1.60.1060.01731.99
7.1.50.1110.01732.16
7.1.40.1170.01232.07
7.1.30.1040.01731.80
7.1.20.1110.01531.67
7.1.10.0830.01013.80
7.1.00.0090.01713.79
7.0.310.0380.01113.60
7.0.300.0150.01513.60
7.0.290.1160.01413.60
7.0.280.0240.01713.60
7.0.270.0930.01013.60
7.0.260.1110.02213.69
7.0.250.0220.01513.61
7.0.240.0990.02913.60
7.0.230.0400.01013.65
7.0.220.0110.02213.60
7.0.210.0970.01813.60
7.0.200.1160.01513.68
7.0.190.0950.01113.60
7.0.180.0260.00713.60
7.0.170.0920.00813.60
7.0.160.0220.01813.60
7.0.150.0380.00813.60
7.0.140.0140.02113.60
7.0.130.0420.01213.71
7.0.120.0290.01113.60
7.0.110.0260.00413.60
7.0.100.0260.00713.60
7.0.90.0930.01513.60
7.0.80.0230.02613.60
7.0.70.0320.00813.60
7.0.60.0090.02313.65
7.0.50.0480.01813.63
7.0.40.0510.00713.60
7.0.30.0220.01513.65
7.0.20.0620.01313.80
7.0.10.0320.00613.73
7.0.00.0090.02213.61
5.6.380.0110.01614.13
5.6.370.0230.00714.59
5.6.360.0200.01014.35
5.6.350.0130.01814.20
5.6.340.0280.00914.42
5.6.330.0150.01814.38
5.6.320.0150.01514.22
5.6.310.0160.01614.13
5.6.300.0280.01214.27
5.6.290.0180.01414.16
5.6.280.0210.01014.30
5.6.270.0230.01114.57
5.6.260.0130.01614.05
5.6.250.0070.02314.50
5.6.240.0130.01314.32
5.6.230.0170.02814.41
5.6.220.0140.01414.25
5.6.210.0300.00014.32
5.6.200.0320.02914.29
5.6.190.0150.01114.30
5.6.180.0150.01214.05
5.6.170.0180.01514.30
5.6.160.0180.01814.29
5.6.150.0210.01714.53
5.6.140.0120.02214.15
5.6.130.0180.01314.17
5.6.120.0050.02914.09
5.6.110.0090.02014.08
5.6.100.0160.01714.53
5.6.90.0160.01214.23
5.6.80.0200.00813.89
5.5.380.0150.01713.60
5.5.370.0200.00813.60
5.5.360.0100.01613.60
5.5.350.0140.01613.60
5.5.340.0190.01313.60
5.5.330.0150.01013.60
5.5.320.0100.01513.60
5.5.310.0220.00813.60
5.5.300.0100.02013.61
5.5.290.0230.01113.61
5.5.280.0210.01113.61
5.5.270.0110.02213.61
5.5.260.0140.01713.61
5.5.250.0140.01613.61
5.5.240.0120.01813.61
5.4.450.0110.01413.61
5.4.440.0160.01113.61
5.4.430.0050.01813.61
5.4.420.0160.01313.61
5.4.410.0360.00713.61

preferences:
52.1 ms | 401 KiB | 5 Q