3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'How are you'; if (strstr($a,'are') !== false) { echo 'true'; } ?>

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)
8.3.40.0100.00318.75
8.3.30.0100.00719.10
8.3.20.0000.00820.21
8.3.10.0080.00022.15
8.3.00.0000.00822.44
8.2.170.0070.00722.96
8.2.160.0100.00319.18
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0040.01126.16
8.2.120.0000.01017.63
8.2.110.0030.00622.28
8.2.100.0040.00819.64
8.2.90.0000.00919.26
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0060.00318.03
8.2.50.0040.00418.07
8.2.40.0080.00018.16
8.2.30.0000.00717.98
8.2.20.0000.00717.66
8.2.10.0040.00417.73
8.2.00.0040.00417.60
8.1.270.0060.00322.20
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0000.01023.71
8.1.230.0030.00719.08
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.10
8.1.190.0000.00817.39
8.1.180.0040.00418.67
8.1.170.0050.00318.51
8.1.160.0000.00722.12
8.1.150.0040.00418.64
8.1.140.0000.00817.25
8.1.130.0030.00317.70
8.1.120.0000.00817.43
8.1.110.0000.00817.35
8.1.100.0000.00817.33
8.1.90.0000.00717.46
8.1.80.0000.00717.29
8.1.70.0000.00717.39
8.1.60.0000.00817.39
8.1.50.0000.00717.34
8.1.40.0000.00817.48
8.1.30.0000.00717.46
8.1.20.0080.00017.55
8.1.10.0040.00417.54
8.1.00.0070.00017.29
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0040.00418.43
8.0.270.0000.00717.13
8.0.260.0030.00316.88
8.0.250.0000.00616.79
8.0.240.0030.00316.78
8.0.230.0000.00716.86
8.0.220.0030.00316.72
8.0.210.0030.00316.75
8.0.200.0030.00316.90
8.0.190.0000.00816.73
8.0.180.0030.00316.86
8.0.170.0050.00316.79
8.0.160.0070.00016.82
8.0.150.0050.00316.71
8.0.140.0020.00516.68
8.0.130.0050.00013.24
8.0.120.0000.00816.68
8.0.110.0040.00416.83
8.0.100.0050.00316.88
8.0.90.0080.00016.87
8.0.80.0030.01416.77
8.0.70.0050.00216.86
8.0.60.0040.00416.82
8.0.50.0080.00016.83
8.0.30.0080.01117.08
8.0.20.0130.00817.40
8.0.10.0040.00416.95
8.0.00.0120.00916.84
7.4.330.0020.00215.00
7.4.320.0040.00416.48
7.4.300.0060.00016.64
7.4.290.0000.00716.59
7.4.280.0070.00016.50
7.4.270.0030.00316.43
7.4.260.0000.00716.38
7.4.250.0070.00016.59
7.4.240.0040.00416.59
7.4.230.0070.00016.30
7.4.220.0060.01716.61
7.4.210.0050.01416.60
7.4.200.0030.00516.60
7.4.190.0030.00316.68
7.4.160.0060.01016.50
7.4.150.0060.01017.40
7.4.140.0100.00917.86
7.4.130.0080.00816.54
7.4.120.0120.00516.46
7.4.110.0090.00916.46
7.4.100.0100.00716.45
7.4.90.0120.00616.52
7.4.80.0100.01019.39
7.4.70.0060.01316.41
7.4.60.0100.00716.48
7.4.50.0060.00316.43
7.4.40.0110.00322.77
7.4.30.0080.01216.40
7.4.00.0060.01014.90
7.3.330.0000.00513.10
7.3.320.0030.00312.94
7.3.310.0070.00016.03
7.3.300.0070.00016.11
7.3.290.0080.00616.24
7.3.280.0110.00616.21
7.3.270.0080.00817.40
7.3.260.0070.01516.14
7.3.250.0070.01016.29
7.3.240.0100.00716.47
7.3.230.0070.01316.39
7.3.210.0180.00016.19
7.3.200.0070.01519.39
7.3.190.0120.00916.18
7.3.180.0030.01316.22
7.3.170.0100.00616.54
7.3.160.0130.00616.45
7.3.120.0050.01014.67
7.3.110.0090.00914.94
7.3.100.0060.00614.71
7.3.90.0040.00714.71
7.3.80.0070.00914.62
7.3.70.0060.00714.79
7.3.60.0030.01014.59
7.3.50.0080.00714.56
7.3.40.0090.00314.79
7.3.30.0050.00814.66
7.3.20.0080.00516.59
7.3.10.0080.00716.61
7.3.00.0040.01116.50
7.2.330.0100.00716.65
7.2.320.0100.01316.37
7.2.310.0030.01316.65
7.2.300.0060.01616.49
7.2.290.0030.01416.71
7.2.250.0050.01314.76
7.2.240.0050.01515.18
7.2.230.0040.00914.88
7.2.220.0070.00514.79
7.2.210.0090.00514.93
7.2.200.0050.01014.94
7.2.190.0080.00615.03
7.2.180.0070.00714.99
7.2.170.0060.00814.88
7.2.130.0100.00616.68
7.2.120.0100.00516.90
7.2.110.0060.00816.46
7.2.100.0070.00816.71
7.2.90.0010.00916.68
7.2.80.0060.00916.81
7.2.70.0060.00916.65
7.2.60.0020.01116.91
7.2.50.0060.00516.79
7.2.40.0090.00416.78
7.2.30.0050.01016.76
7.2.20.0100.00616.78
7.2.10.0070.00716.68
7.2.00.0040.01217.72
7.1.330.0050.01015.84
7.1.320.0060.00615.76
7.1.310.0010.00915.74
7.1.300.0050.00815.60
7.1.290.0020.01015.48
7.1.280.0050.00815.84
7.1.270.0040.00815.79
7.1.260.0050.01015.48
7.1.250.0100.00515.73
7.1.240.0030.00715.60
7.1.230.0090.00615.86
7.1.220.0030.01315.59
7.1.210.0080.00415.71
7.1.200.0030.01015.79
7.1.190.0090.00315.63
7.1.180.0040.00815.84
7.1.170.0000.01115.68
7.1.160.0090.00015.75
7.1.150.0070.00715.65
7.1.140.0030.01015.79
7.1.130.0030.01015.79
7.1.120.0110.00015.77
7.1.110.0060.00615.68
7.1.100.0080.00716.85
7.1.90.0110.00015.56
7.1.80.0030.00715.64
7.1.70.0030.00816.35
7.1.60.0060.01417.80
7.1.50.0090.01016.08
7.1.40.0060.00315.73
7.1.30.0030.01315.59
7.1.20.0060.00615.48
7.1.10.0040.01115.55
7.1.00.0010.04819.01
7.0.330.0080.00315.28
7.0.320.0030.00715.48
7.0.310.0000.01315.32
7.0.300.0030.00715.14
7.0.290.0040.00815.31
7.0.280.0040.01115.36
7.0.270.0070.00715.16
7.0.260.0040.01115.16
7.0.250.0060.00615.36
7.0.240.0000.01415.27
7.0.230.0100.00615.54
7.0.220.0070.00715.24
7.0.210.0000.01415.31
7.0.200.0000.00915.84
7.0.190.0140.00015.24
7.0.180.0030.01215.35
7.0.170.0100.00315.34
7.0.160.0070.00715.47
7.0.150.0040.01215.38
7.0.140.0020.04318.69
7.0.130.0060.00615.30
7.0.120.0000.01415.25
7.0.110.0090.00615.38
7.0.100.0030.01015.38
7.0.90.0100.00315.14
7.0.80.0040.00815.09
7.0.70.0000.01115.43
7.0.60.0060.02317.63
7.0.50.0050.04516.61
7.0.40.0150.03816.78
7.0.30.0250.02816.82
7.0.20.0120.02716.70
7.0.10.0210.03616.79
7.0.00.0100.04316.79
5.6.380.0060.00914.31
5.6.370.0060.00614.37
5.6.360.0030.00914.53
5.6.350.0060.00614.38
5.6.340.0000.01114.33
5.6.330.0090.00014.22
5.6.320.0060.00614.15
5.6.310.0030.00613.67
5.6.300.0030.01014.59
5.6.290.0070.00714.06
5.6.280.0030.04117.66
5.6.270.0140.00014.00
5.6.260.0060.00914.09
5.6.250.0090.00014.39
5.6.240.0000.01014.16
5.6.230.0090.00314.14
5.6.220.0040.01114.42
5.6.210.0060.03817.54
5.6.200.0080.02216.35
5.6.190.0050.04817.19
5.6.180.0190.04017.23
5.6.170.0180.04217.41
5.6.160.0080.02217.33
5.6.150.0070.02816.08
5.6.140.0000.03116.24
5.6.130.0050.02316.26
5.6.120.0070.02217.76
5.6.110.0050.04917.62
5.6.100.0100.02017.52
5.6.90.0090.04117.63
5.6.80.0080.04317.28
5.6.70.0190.03717.27
5.6.60.0090.00614.20
5.6.50.0030.00914.18
5.6.40.0130.00014.25
5.6.30.0070.00714.22
5.6.20.0050.00514.41
5.6.10.0040.01114.33
5.6.00.0060.00614.30
5.5.380.0030.00811.64
5.5.370.0030.00511.64
5.5.360.0070.00311.64
5.5.350.0100.04215.96
5.5.340.0050.04314.79
5.5.330.0080.04316.11
5.5.320.0150.04416.02
5.5.310.0180.03315.96
5.5.300.0100.01714.83
5.5.290.0080.04014.82
5.5.280.0050.03316.20
5.5.270.0070.03316.21
5.5.260.0100.04116.24
5.5.250.0050.04516.09
5.5.240.0030.04015.88
5.5.230.0050.00311.64
5.5.220.0040.00711.64
5.5.210.0000.01211.64
5.5.200.0030.00311.64
5.5.190.0000.01011.64
5.5.180.0030.00911.64
5.5.170.0100.00011.64
5.5.160.0040.00711.64
5.5.150.0060.00311.64
5.5.140.0030.00311.64
5.5.130.0030.00611.64
5.5.120.0060.00311.64
5.5.110.0040.00711.64
5.5.100.0000.00911.64
5.5.90.0050.00211.64
5.5.80.0060.00311.64
5.5.70.0040.00711.64
5.5.60.0040.00811.64
5.5.50.0060.00711.64
5.5.40.0000.00611.64
5.5.30.0000.00811.64
5.5.20.0000.01211.64
5.5.10.0040.00411.64
5.5.00.0000.01011.64
5.4.450.0220.03715.56
5.4.440.0170.03015.53
5.4.430.0130.02915.52
5.4.420.0160.03515.57
5.4.410.0140.03515.31
5.4.400.0100.02515.28
5.4.390.0180.03815.37
5.4.380.0180.02215.28
5.4.370.0210.03315.44
5.4.360.0160.02715.26
5.4.350.0170.03815.34
5.4.340.0150.04015.38
5.4.330.0060.00611.64
5.4.320.0130.03815.35
5.4.310.0150.03515.28
5.4.300.0130.03815.37
5.4.290.0160.02615.36
5.4.280.0170.02515.37
5.4.270.0170.02715.36
5.4.260.0190.03515.36
5.4.250.0170.02315.40
5.4.240.0120.03715.43
5.4.230.0200.03315.44
5.4.220.0160.03615.37
5.4.210.0150.02815.33
5.4.200.0200.02815.39
5.4.190.0130.04015.39
5.4.180.0140.03515.36
5.4.170.0170.03515.42
5.4.160.0130.03315.26
5.4.150.0150.02215.39
5.4.140.0180.02514.04
5.4.130.0120.02913.99
5.4.120.0100.03614.04
5.4.110.0170.03414.01
5.4.100.0190.03313.85
5.4.90.0130.03014.02
5.4.80.0140.02213.84
5.4.70.0150.02114.03
5.4.60.0160.02014.05
5.4.50.0100.04313.95
5.4.40.0130.03614.00
5.4.30.0150.04114.07
5.4.20.0150.02514.05
5.4.10.0200.03313.95
5.4.00.0130.03813.74
5.3.290.0130.03413.10
5.3.280.0130.03913.10
5.3.270.0120.03013.04
5.3.260.0130.03713.11
5.3.250.0190.03113.07
5.3.240.0160.03513.16
5.3.230.0150.03313.04
5.3.220.0150.03313.04
5.3.210.0150.03713.09
5.3.200.0170.03313.14
5.3.190.0130.03813.03
5.3.180.0150.02813.02
5.3.170.0140.02513.04
5.3.160.0100.02513.09
5.3.150.0150.03313.01
5.3.140.0210.02313.12
5.3.130.0130.04013.04
5.3.120.0130.02813.01
5.3.110.0080.03113.01
5.3.100.0120.03012.75
5.3.90.0150.03312.80
5.3.80.0160.02512.80
5.3.70.0170.03712.80
5.3.60.0180.02312.79
5.3.50.0170.03712.79
5.3.40.0170.04012.68
5.3.30.0120.03812.79
5.3.20.0150.02912.61
5.3.10.0150.02312.69
5.3.00.0220.03312.55
5.2.170.0160.02811.90
5.2.160.0160.02711.90
5.2.150.0130.02611.90
5.2.140.0080.02411.90
5.2.130.0100.03311.90
5.2.120.0130.01711.90
5.2.110.0110.03011.90
5.2.100.0140.03011.90
5.2.90.0150.02211.90
5.2.80.0130.03511.90
5.2.70.0130.03411.90
5.2.60.0140.03011.90
5.2.50.0120.03111.90
5.2.40.0080.03111.90
5.2.30.0100.03111.90
5.2.20.0100.03011.90
5.2.10.0100.03011.90
5.2.00.0130.02111.90
5.1.60.0110.02411.90
5.1.50.0080.02511.90
5.1.40.0100.02911.90
5.1.30.0120.01811.90
5.1.20.0160.01311.90
5.1.10.0150.02711.90
5.1.00.0120.01611.90
5.0.50.0050.02311.90
5.0.40.0070.01611.90
5.0.30.0080.02311.90
5.0.20.0100.01211.90
5.0.10.0070.01711.90
5.0.00.0050.03511.90
4.4.90.0050.01911.90
4.4.80.0030.01911.90
4.4.70.0080.01811.90
4.4.60.0050.02011.90
4.4.50.0060.02011.90
4.4.40.0030.02111.90
4.4.30.0050.01311.90
4.4.20.0080.01811.90
4.4.10.0020.02011.90
4.4.00.0070.02711.90
4.3.110.0050.01511.90
4.3.100.0030.02311.90
4.3.90.0070.01211.90
4.3.80.0110.01811.90
4.3.70.0070.02011.90
4.3.60.0080.01711.90
4.3.50.0080.01811.90
4.3.40.0070.02511.90
4.3.30.0070.01711.90
4.3.20.0050.01711.90
4.3.10.0020.02011.90
4.3.00.0030.01711.90

preferences:
39.68 ms | 400 KiB | 5 Q