3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = 'adfasgasga'; $f = stristr($d, 'qw', 1); echo $f;

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)
8.3.40.0040.01118.82
8.3.30.0040.01118.92
8.3.20.0050.00220.19
8.3.10.0040.00423.67
8.3.00.0080.00020.96
8.2.170.0070.00722.96
8.2.160.0130.00020.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.52
8.2.110.0030.00619.21
8.2.100.0080.00317.78
8.2.90.0050.00219.41
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0040.00419.82
8.2.30.0070.00018.16
8.2.20.0050.00217.60
8.2.10.0080.00018.18
8.2.00.0040.00417.62
8.1.270.0060.00323.96
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0100.00021.06
8.1.230.0040.00719.01
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.09
8.1.190.0000.00817.00
8.1.180.0000.00818.10
8.1.170.0000.00818.56
8.1.160.0030.00321.95
8.1.150.0020.00518.61
8.1.140.0000.00817.46
8.1.130.0030.00517.84
8.1.120.0000.00717.43
8.1.110.0000.00817.38
8.1.100.0040.00417.28
8.1.90.0040.00417.38
8.1.80.0040.00317.39
8.1.70.0000.00717.39
8.1.60.0040.00417.52
8.1.50.0040.00417.38
8.1.40.0070.00017.48
8.1.30.0040.00417.60
8.1.20.0000.00717.43
8.1.10.0040.00417.44
8.1.00.0000.00817.41
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0030.00318.48
8.0.270.0000.00717.13
8.0.260.0070.00017.32
8.0.250.0030.00316.96
8.0.240.0050.00216.86
8.0.230.0030.00316.75
8.0.220.0000.00816.75
8.0.210.0020.00516.82
8.0.200.0000.00616.91
8.0.190.0070.00016.81
8.0.180.0030.00716.84
8.0.170.0050.00316.93
8.0.160.0070.00016.77
8.0.150.0030.00316.84
8.0.140.0000.00716.69
8.0.130.0000.00613.18
8.0.120.0040.00416.83
8.0.110.0040.00416.72
8.0.100.0020.00516.83
8.0.90.0000.00716.73
8.0.80.0030.01416.83
8.0.70.0000.00816.84
8.0.60.0030.00316.74
8.0.50.0000.00816.61
8.0.30.0100.00817.03
8.0.20.0100.00917.40
8.0.10.0070.00016.90
8.0.00.0090.00916.71
7.4.330.0050.00015.03
7.4.320.0030.00316.59
7.4.300.0000.00716.36
7.4.290.0030.00316.45
7.4.280.0080.00016.55
7.4.270.0030.00316.44
7.4.260.0030.00316.43
7.4.250.0000.00716.43
7.4.240.0020.00516.55
7.4.230.0030.00316.53
7.4.220.0150.00316.61
7.4.210.0070.00816.52
7.4.200.0070.00016.35
7.4.190.0030.00316.53
7.4.160.0100.00716.45
7.4.150.0080.00817.40
7.4.140.0100.00917.86
7.4.130.0070.01116.40
7.4.120.0060.01316.50
7.4.110.0080.00816.34
7.4.100.0070.01016.37
7.4.90.0090.00916.23
7.4.80.0170.00419.39
7.4.70.0040.01216.24
7.4.60.0160.00316.33
7.4.50.0030.00516.56
7.4.40.0090.00916.24
7.4.30.0050.01116.52
7.4.00.0080.00914.96
7.3.330.0050.00013.07
7.3.320.0000.00512.86
7.3.310.0000.00716.32
7.3.300.0000.00716.11
7.3.290.0000.01316.16
7.3.280.0090.01316.19
7.3.270.0090.00617.40
7.3.260.0160.00316.41
7.3.250.0110.00816.26
7.3.240.0150.00416.22
7.3.230.0070.01016.39
7.3.210.0120.01216.39
7.3.200.0000.01719.39
7.3.190.0080.00816.25
7.3.180.0100.00616.47
7.3.170.0030.01016.28
7.3.160.0110.00716.35
7.3.120.0080.00814.53
7.3.110.0110.00614.83
7.3.100.0050.01214.67
7.3.90.0060.00614.59
7.3.80.0050.01114.92
7.3.70.0070.00814.51
7.3.60.0060.00814.53
7.3.50.0110.00314.72
7.3.40.0060.00514.71
7.3.30.0060.00714.70
7.3.20.0060.00716.58
7.3.10.0040.01116.62
7.3.00.0020.01016.42
7.2.330.0120.00616.36
7.2.320.0150.00316.59
7.2.310.0060.01016.66
7.2.300.0110.01116.61
7.2.290.0090.00916.58
7.2.250.0090.00714.77
7.2.240.0070.01215.00
7.2.230.0080.00814.95
7.2.220.0050.00614.79
7.2.210.0040.00814.92
7.2.200.0050.00814.81
7.2.190.0040.01215.04
7.2.180.0060.00915.04
7.2.170.0080.00714.96
7.2.00.0110.00719.45
7.1.330.0050.00815.81
7.1.320.0020.01115.89
7.1.310.0040.01115.82
7.1.300.0050.00915.76
7.1.290.0020.01015.49
7.1.280.0050.00815.72
7.1.270.0060.00215.71
7.1.260.0060.00815.71
7.1.200.0120.00015.59
7.1.100.0090.00917.92
7.1.70.0000.00716.95
7.1.60.0100.01319.46
7.1.50.0110.01116.87
7.1.00.0070.07322.47
7.0.200.0040.00416.45
7.0.140.0030.07322.16
7.0.110.0730.07319.98
7.0.100.0630.06319.92
7.0.90.0630.07319.93
7.0.80.0470.08319.90
7.0.70.0500.08319.86
7.0.60.0400.08019.99
7.0.50.0630.08320.24
7.0.40.0070.07020.02
7.0.30.0100.08020.09
7.0.20.0030.05320.00
7.0.10.0100.07720.03
7.0.00.0130.07320.04
5.6.280.0030.07320.88
5.6.260.0070.05320.89
5.6.250.0070.07720.74
5.6.240.0070.08020.71
5.6.230.0030.05320.57
5.6.220.0070.04720.68
5.6.210.0100.08020.58
5.6.200.0170.06321.08
5.6.190.0130.07021.24
5.6.180.0070.09020.94
5.6.170.0070.08721.14
5.6.160.0100.07321.21
5.6.150.0130.08020.91
5.6.140.0200.07021.11
5.6.130.0130.08320.92
5.6.120.0070.06721.18
5.6.110.0100.08020.93
5.6.100.0100.07720.93
5.6.90.0170.07020.95
5.6.80.0070.08320.30
5.6.70.0030.08320.51
5.6.60.0070.08020.31
5.6.50.0170.07020.49
5.6.40.0100.08720.49
5.6.30.0130.07020.50
5.6.20.0130.07320.52
5.6.10.0130.07020.27
5.6.00.0100.07320.39
5.5.380.0000.09020.40
5.5.370.0170.07020.55
5.5.360.0070.08020.52
5.5.350.0130.07320.47
5.5.340.0070.08721.01
5.5.330.0100.07720.70
5.5.320.0100.07320.90
5.5.310.0130.08020.77
5.5.300.0070.08020.86
5.5.290.0130.04320.89
5.5.280.0070.07320.86
5.5.270.0070.08320.68
5.5.260.0070.07720.85
5.5.250.0100.06320.70
5.5.240.0070.07320.23
5.5.230.0100.08020.25
5.5.220.0030.07020.32
5.5.210.0070.08320.27
5.5.200.0170.06320.36
5.5.190.0130.07320.15
5.5.180.0100.07720.15
5.5.160.0030.08020.18
5.5.150.0130.07320.24
5.5.140.0100.07720.08
5.5.130.0100.07320.30
5.5.120.0070.07020.18
5.5.110.0130.07720.08
5.5.100.0030.08720.20
5.5.90.0030.08020.13
5.5.80.0030.08320.07
5.5.70.0070.07020.06
5.5.60.0070.07720.20
5.5.50.0070.08019.94
5.5.40.0100.07719.97
5.5.30.0130.07720.16
5.5.20.0100.05020.07
5.5.10.0000.08320.10
5.5.00.0030.06720.12
5.4.450.0070.08019.32
5.4.440.0030.08019.43
5.4.430.0070.07319.44
5.4.420.0100.07719.27
5.4.410.0070.07019.38
5.4.400.0100.07319.13
5.4.390.0070.07719.18
5.4.380.0100.06719.25
5.4.370.0100.07319.00
5.4.360.0070.07719.03
5.4.350.0000.08019.27
5.4.340.0000.05318.95
5.4.320.0000.05319.10
5.4.310.0070.07719.03
5.4.300.0070.07319.07
5.4.290.0000.07719.25
5.4.280.0030.04019.00
5.4.270.0170.06319.12
5.4.260.0170.06719.27
5.4.250.0070.07719.13
5.4.240.0070.06718.95
5.4.230.0030.07719.27
5.4.220.0100.07719.17
5.4.210.0100.06319.17
5.4.200.0100.07018.92
5.4.190.0130.07319.15
5.4.180.0070.06718.92
5.4.170.0070.07718.97
5.4.160.0130.07019.25
5.4.150.0100.08019.01
5.4.140.0100.07316.20
5.4.130.0030.05316.18
5.4.120.0030.06716.45
5.4.110.0030.05716.37
5.4.100.0030.07316.53
5.4.90.0030.04716.34
5.4.80.0100.06316.27
5.4.70.0130.05716.46
5.4.60.0070.05716.21
5.4.50.0000.07716.33
5.4.40.0030.07016.40
5.4.30.0100.06316.20
5.4.20.0030.05316.16
5.4.10.0070.07316.50
5.4.00.0070.06715.68
5.3.290.0130.07014.52
5.3.280.0100.07714.54
5.3.270.0030.05014.70
5.3.260.0070.04714.54
5.3.250.0130.06014.70
5.3.240.0000.04714.66
5.3.230.0070.08014.44
5.3.220.0130.07014.46
5.3.210.0100.07314.62
5.3.200.0170.06014.45
5.3.190.0070.07714.35
5.3.180.0100.06714.48
5.3.170.0070.07714.48
5.3.160.0130.07014.43
5.3.150.0070.04714.57
5.3.140.0030.05314.57
5.3.130.0100.07014.39
5.3.120.0030.06714.57
5.3.110.0070.07714.61
5.3.100.0030.07714.05
5.3.90.0130.06314.03
5.3.80.0100.07013.84
5.3.70.0130.06313.96
5.3.60.0030.04313.93
5.3.50.0030.04013.80
5.3.40.0070.07013.88
5.3.30.0030.07013.84
5.3.20.0100.06313.58
5.3.10.0070.07013.58
5.3.00.0030.07713.57
5.2.170.0030.06312.50
5.2.160.0070.05712.50
5.2.150.0100.06012.50
5.2.140.0100.03312.50
5.2.130.0030.06012.50
5.2.120.0030.06012.50
5.2.110.0100.04712.50
5.2.100.0070.06012.50
5.2.90.0070.05712.50
5.2.80.0100.05312.50
5.2.70.0030.06312.50
5.2.60.0070.03312.50
5.2.50.0100.05712.50
5.2.40.0000.05012.50
5.2.30.0070.02312.50
5.2.20.0030.02712.50
5.2.10.0030.03712.50
5.2.00.0070.03712.50
5.1.60.0100.01712.50
5.1.50.0030.02012.50
5.1.40.0000.03012.50
5.1.30.0000.02712.50
5.1.20.0030.02312.50
5.1.10.0000.04012.50
5.1.00.0070.03012.50
5.0.50.0000.02012.50
5.0.40.0000.02012.50
5.0.30.0030.02712.50
5.0.20.0000.04712.50
5.0.10.0070.02012.50
5.0.00.0100.04312.50
4.4.90.0070.01312.50
4.4.80.0000.03712.50
4.4.70.0000.01712.50
4.4.60.0000.01312.50
4.4.50.0030.01312.50
4.4.40.0000.04012.50
4.4.30.0100.00712.50
4.4.20.0070.01712.50
4.4.10.0000.01712.50
4.4.00.0000.02312.50
4.3.110.0000.01712.50
4.3.100.0030.01312.50
4.3.90.0030.01312.50
4.3.80.0030.03312.50
4.3.70.0100.01712.50
4.3.60.0000.01312.50
4.3.50.0000.01712.50
4.3.40.0030.02012.50
4.3.30.0000.01712.50
4.3.20.0000.01712.50
4.3.10.0070.03012.50
4.3.00.0000.03712.50

preferences:
42.27 ms | 400 KiB | 5 Q