3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'test'; $return = strpos($a, 't'); echo "\n"; echo (0) ? 'true' : 'false'; echo "\n"; echo ($return) ? 'true' : 'false'; echo "\n"; echo (strpos($a, 't')) ? 'true' : 'false'; echo "\n"; echo (strpos($a, 't') === 0) ? 'true' : 'false'; echo "\n"; echo (strpos($a, 't') === $return) ? 'true' : '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)
8.3.60.0120.00316.74
8.3.50.0060.00921.99
8.3.40.0180.00018.67
8.3.30.0070.00718.96
8.3.20.0080.00020.08
8.3.10.0080.00023.54
8.3.00.0050.00319.04
8.2.180.0060.00918.25
8.2.170.0040.01822.96
8.2.160.0130.00320.47
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00019.17
8.2.110.0100.00722.29
8.2.100.0060.00617.91
8.2.90.0040.00419.05
8.2.80.0030.00517.97
8.2.70.0050.00317.60
8.2.60.0050.00317.80
8.2.50.0030.00618.07
8.2.40.0000.00819.76
8.2.30.0030.00318.25
8.2.20.0030.00517.78
8.2.10.0040.00417.99
8.2.00.0050.00317.74
8.1.280.0180.00325.92
8.1.270.0060.00323.91
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0040.00424.02
8.1.230.0030.00719.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.11
8.1.190.0040.00417.10
8.1.180.0000.00819.01
8.1.170.0050.00318.46
8.1.160.0040.00421.86
8.1.150.0000.00718.50
8.1.140.0030.00517.34
8.1.130.0000.00717.87
8.1.120.0000.00717.31
8.1.110.0000.00817.30
8.1.100.0040.00417.27
8.1.90.0070.00017.27
8.1.80.0030.00517.36
8.1.70.0000.00817.25
8.1.60.0030.00517.53
8.1.50.0020.00517.40
8.1.40.0000.00717.34
8.1.30.0080.00017.56
8.1.20.0000.00817.43
8.1.10.0000.00817.43
8.1.00.0070.00017.30
8.0.300.0070.00018.77
8.0.290.0000.00717.04
8.0.280.0030.00318.45
8.0.270.0030.00417.26
8.0.260.0000.00817.25
8.0.250.0000.00717.00
8.0.240.0000.00817.02
8.0.230.0030.00316.86
8.0.220.0080.00016.88
8.0.210.0070.00016.77
8.0.200.0000.00616.86
8.0.190.0000.00916.98
8.0.180.0040.00416.92
8.0.170.0040.00416.84
8.0.160.0000.00716.91
8.0.150.0030.00316.79
8.0.140.0070.00016.82
8.0.130.0030.00313.36
8.0.120.0080.00016.86
8.0.110.0050.00316.84
8.0.100.0090.00016.68
8.0.90.0000.00816.90
8.0.80.0000.01516.86
8.0.70.0070.00016.87
8.0.60.0050.00216.95
8.0.50.0040.00416.95
8.0.30.0130.00716.88
8.0.20.0080.01017.40
8.0.10.0030.00416.90
8.0.00.0140.00816.62
7.4.330.0000.00615.10
7.4.320.0060.00016.59
7.4.300.0000.00716.40
7.4.290.0000.00716.45
7.4.280.0000.00716.48
7.4.270.0050.00316.62
7.4.260.0030.00316.46
7.4.250.0000.00816.48
7.4.240.0000.00716.52
7.4.230.0000.00716.41
7.4.220.0080.01116.66
7.4.210.0030.01116.61
7.4.200.0040.00416.65
7.4.190.0030.00616.73
7.4.160.0060.01016.50
7.4.150.0100.00717.40
7.4.140.0090.01117.86
7.4.130.0100.01016.48
7.4.120.0120.00616.45
7.4.110.0090.00916.36
7.4.100.0110.00716.61
7.4.90.0060.01216.41
7.4.80.0060.01519.39
7.4.70.0040.01116.54
7.4.60.0100.00716.64
7.4.50.0050.00316.47
7.4.40.0130.00316.43
7.4.30.0030.01316.52
7.4.10.0140.00716.29
7.4.00.0070.01015.78
7.3.330.0000.00713.06
7.3.320.0000.00613.23
7.3.310.0030.00316.36
7.3.300.0030.00316.36
7.3.290.0100.00716.33
7.3.280.0090.00716.35
7.3.270.0060.01217.40
7.3.260.0070.01416.63
7.3.250.0080.00916.24
7.3.240.0080.01316.23
7.3.230.0150.00316.43
7.3.210.0060.01016.32
7.3.200.0130.00419.39
7.3.190.0140.00316.41
7.3.180.0090.00616.39
7.3.170.0160.00016.42
7.3.160.0070.01016.23
7.3.130.0060.01216.42
7.3.120.0020.01315.59
7.3.110.0100.00716.34
7.3.100.0030.00716.41
7.3.90.0120.00316.27
7.3.80.0030.01216.20
7.3.70.0100.00316.25
7.3.60.0040.01116.28
7.3.50.0060.00916.03
7.3.40.0030.01216.09
7.3.30.0110.00416.38
7.3.20.0100.00018.29
7.3.10.0030.00718.17
7.3.00.0060.00918.04
7.2.330.0120.00616.72
7.2.320.0110.01116.65
7.2.310.0060.01216.49
7.2.300.0090.00916.65
7.2.290.0040.01416.69
7.2.260.0130.00616.57
7.2.250.0040.01416.63
7.2.240.0060.00916.29
7.2.230.0070.01016.15
7.2.220.0030.00716.58
7.2.210.0060.00616.48
7.2.200.0030.01216.53
7.2.190.0130.00316.52
7.2.180.0030.01316.39
7.2.170.0090.00616.44
7.2.160.0000.01616.43
7.2.150.0070.00718.28
7.2.140.0060.01118.23
7.2.130.0090.00618.12
7.2.120.0030.01518.11
7.2.110.0030.01218.18
7.2.100.0040.01518.18
7.2.90.0060.00918.48
7.2.80.0080.00618.50
7.2.70.0000.01118.34
7.2.60.0040.01118.12
7.2.50.0060.00918.19
7.2.40.0030.00918.45
7.2.30.0030.01318.28
7.2.20.0080.00418.22
7.2.10.0090.00618.34
7.2.00.0070.01018.95
7.1.330.0000.01217.29
7.1.320.0110.00417.43
7.1.310.0000.01417.34
7.1.300.0100.00617.35
7.1.290.0040.01017.41
7.1.280.0110.00617.26
7.1.270.0040.00817.31
7.1.260.0090.00617.26
7.1.250.0080.00417.22
7.1.240.0060.00917.13
7.1.230.0100.00317.21
7.1.220.0090.00917.25
7.1.210.0000.01117.07
7.1.200.0060.00416.38
7.1.190.0070.01017.37
7.1.180.0100.00317.13
7.1.170.0090.00317.32
7.1.160.0040.01117.13
7.1.150.0060.00917.05
7.1.140.0070.00717.21
7.1.130.0040.01117.40
7.1.120.0000.01117.22
7.1.110.0040.00717.33
7.1.100.0080.00517.72
7.1.90.0040.01117.38
7.1.80.0040.00417.33
7.1.70.0030.00817.02
7.1.60.0050.01318.38
7.1.50.0090.01225.90
7.1.40.0090.00317.23
7.1.30.0000.01417.29
7.1.20.0030.01017.37
7.1.10.0030.00617.35
7.1.00.0040.04219.83
7.0.330.0000.01216.77
7.0.320.0040.01117.03
7.0.310.0040.00816.85
7.0.300.0040.00416.80
7.0.290.0060.00916.72
7.0.280.0100.00317.13
7.0.270.0030.00916.80
7.0.260.0040.01117.06
7.0.250.0090.00916.96
7.0.240.0040.01417.00
7.0.230.0000.01416.96
7.0.220.0050.00516.83
7.0.210.0070.00716.76
7.0.200.0030.00816.98
7.0.190.0060.00616.86
7.0.180.0030.01616.89
7.0.170.0060.00616.89
7.0.160.0030.01017.00
7.0.150.0150.00017.00
7.0.140.0020.04019.37
7.0.130.0040.01116.93
7.0.120.0120.00316.81
7.0.110.0000.01016.95
7.0.100.0080.00316.86
7.0.90.0090.00916.79
7.0.80.0080.00816.82
7.0.70.0000.01616.98
7.0.60.0030.04218.45
7.0.50.0050.04217.38
7.0.40.0080.04817.53
7.0.30.0230.04017.55
7.0.20.0150.03317.57
7.0.10.0030.04617.55
7.0.00.0040.04717.40
5.6.400.0100.00715.70
5.6.390.0060.00815.98
5.6.380.0060.00916.02
5.6.370.0030.01015.64
5.6.360.0110.00315.66
5.6.350.0030.01316.03
5.6.340.0000.01515.97
5.6.330.0080.00415.84
5.6.320.0040.01116.12
5.6.310.0080.00816.04
5.6.300.0030.00715.89
5.6.290.0100.00615.70
5.6.280.0090.03718.36
5.6.270.0100.00715.86
5.6.260.0060.00615.82
5.6.250.0000.01515.78
5.6.240.0070.01115.81
5.6.230.0080.00815.95
5.6.220.0120.00415.54
5.6.210.0060.02618.14
5.6.200.0000.03416.96
5.6.190.0090.03418.18
5.6.180.0080.04717.95
5.6.170.0160.02618.15
5.6.160.0070.04418.16
5.6.150.0100.04016.96
5.6.140.0050.04617.06
5.6.130.0070.04316.93
5.6.120.0030.02818.50
5.6.110.0100.04018.46
5.6.100.0130.03218.42
5.6.90.0070.04718.38
5.6.80.0070.03518.09
5.6.70.0100.00715.65
5.6.60.0100.01015.73
5.6.50.0070.00715.79
5.6.40.0060.01215.77
5.6.30.0040.01115.54
5.6.20.0100.00715.73
5.6.10.0030.01315.74
5.6.00.0030.00615.82
5.5.380.0000.01615.72
5.5.370.0080.00515.77
5.5.360.0080.01115.71
5.5.350.0020.02118.07
5.5.340.0070.04616.94
5.5.330.0130.04017.96
5.5.320.0060.04318.02
5.5.310.0140.02618.06
5.5.300.0030.02316.82
5.5.290.0020.05216.89
5.5.280.0050.02718.18
5.5.270.0050.02518.18
5.5.260.0070.02318.29
5.5.250.0030.03718.24
5.5.240.0030.04517.90
5.5.230.0060.01015.66
5.5.220.0070.01315.66
5.5.210.0090.00315.61
5.5.200.0060.00815.71
5.5.190.0100.00615.83
5.5.180.0110.00715.58
5.5.170.0100.00715.82
5.5.160.0000.01315.58
5.5.150.0110.00415.45
5.5.140.0120.00015.84
5.5.130.0070.00715.75
5.5.120.0120.00415.46
5.5.110.0030.01415.86
5.5.100.0030.00915.73
5.5.90.0090.00015.89
5.5.80.0000.01215.60
5.5.70.0070.00715.64
5.5.60.0000.01615.44
5.5.50.0040.01115.71
5.5.40.0070.01415.66
5.5.30.0120.00315.79
5.5.20.0070.01015.69
5.5.10.0030.00915.62
5.5.00.0090.00015.62
5.4.450.0200.02715.91
5.4.440.0180.02716.00
5.4.430.0530.03816.05
5.4.420.0750.03016.16
5.4.410.0570.03615.99
5.4.400.0550.03615.71
5.4.390.0530.02815.71
5.4.380.0030.03515.44
5.4.370.0120.02315.54
5.4.360.0130.02115.52
5.4.350.0120.02315.39
5.4.340.0070.03215.60
5.4.330.0090.00012.58
5.4.320.0060.02012.60
5.4.310.0060.02712.42
5.4.300.0050.02412.43
5.4.290.0050.02712.39
5.4.280.0030.02812.50
5.4.270.0090.03612.44
5.4.260.0050.03612.37
5.4.250.0060.03412.36
5.4.240.0070.03112.29
5.4.230.0060.03312.49
5.4.220.0080.02412.45
5.4.210.0080.02612.47
5.4.200.0060.03412.42
5.4.190.0060.04212.41
5.4.180.0070.03712.41
5.4.170.0040.03212.32
5.4.160.0060.02412.37
5.4.150.0060.02412.48
5.4.140.0060.02912.23
5.4.130.0080.04212.22
5.4.120.0070.03512.19
5.4.110.0100.03412.23
5.4.100.0100.03812.23
5.4.90.0060.05112.24
5.4.80.0110.04712.26
5.4.70.0100.02612.20
5.4.60.0040.03212.28
5.4.50.0100.04012.22
5.4.40.0100.04012.26
5.4.30.0070.05312.26
5.4.20.0120.04312.26
5.4.10.0040.03612.33
5.4.00.0100.04111.92
5.3.290.0070.02813.06
5.3.280.0080.03412.83
5.3.270.0080.04212.85
5.3.260.0070.04912.88
5.3.250.0080.04512.85
5.3.240.0090.04912.82
5.3.230.0150.04712.87
5.3.220.0130.03212.67
5.3.210.0100.03612.67
5.3.200.0080.04112.82
5.3.190.0080.03112.83
5.3.180.0100.03412.77
5.3.170.0100.05212.85
5.3.160.0090.04112.82
5.3.150.0100.03312.85
5.3.140.0080.03812.79
5.3.130.0100.03112.84
5.3.120.0060.04112.71
5.3.110.0040.03512.80
5.3.100.0120.03212.54
5.3.90.0050.03812.53
5.3.80.0070.04212.36
5.3.70.0150.03512.40
5.3.60.0080.02212.52
5.3.50.0060.03012.50
5.3.40.0060.03312.41
5.3.30.0110.02912.41
5.3.20.0120.03212.30
5.3.10.0090.03812.21
5.3.00.0060.03512.17
5.2.170.0070.0599.18
5.2.160.0160.0939.18
5.2.150.0090.0669.18
5.2.140.0130.0719.17
5.2.130.0120.0649.14
5.2.120.0070.0419.13
5.2.110.0040.0429.14
5.2.100.0040.0439.14
5.2.90.0050.0439.14
5.2.80.0100.0419.14
5.2.70.0110.0459.14
5.2.60.0110.0399.09
5.2.50.0040.0469.05
5.2.40.0130.0479.04
5.2.30.0100.0439.01
5.2.20.0090.0389.00
5.2.10.0060.0408.92
5.2.00.0050.0468.78
5.1.60.0070.0378.07
5.1.50.0040.0338.06
5.1.40.0110.0448.04
5.1.30.0040.0398.39
5.1.20.0040.0408.41
5.1.10.0060.0358.14
5.1.00.0050.0418.14
5.0.50.0050.0286.61
5.0.40.0050.0276.47
5.0.30.0040.0436.29
5.0.20.0040.0276.26
5.0.10.0030.0216.24
5.0.00.0030.0326.23
4.4.90.0020.0174.78
4.4.80.0080.0104.75
4.4.70.0050.0134.75
4.4.60.0040.0154.75
4.4.50.0020.0164.77
4.4.40.0010.0304.71
4.4.30.0030.0234.76
4.4.20.0010.0254.84
4.4.10.0020.0244.84
4.4.00.0010.0274.76
4.3.110.0050.0194.67
4.3.100.0050.0144.67
4.3.90.0040.0144.63
4.3.80.0050.0494.58
4.3.70.0030.0224.63
4.3.60.0040.0214.63
4.3.50.0020.0194.63
4.3.40.0070.0454.54
4.3.30.0040.0253.29
4.3.20.0100.0743.26
4.3.10.0040.0173.22
4.3.00.0030.01312.57

preferences:
49.43 ms | 401 KiB | 5 Q