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"; if (strpos($a, 't')) echo 'true'; else echo 'false'; echo "\n"; echo (strpos($a, 't') === 0) ? 'true' : 'false'; echo "\n"; echo (strpos($a, 't') === $return) ? 'true' : 'false'; echo "\n"; if (strpos($a, 't')) echo '4'; if (strpos($a, 't')) 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)
8.3.60.0070.00716.63
8.3.50.0140.00521.99
8.3.40.0070.00718.64
8.3.30.0110.00319.11
8.3.20.0030.00520.20
8.3.10.0050.00323.71
8.3.00.0040.00419.21
8.2.180.0190.00018.54
8.2.170.0160.00422.96
8.2.160.0030.01020.19
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.02
8.2.110.0090.00022.07
8.2.100.0060.00617.91
8.2.90.0000.00819.30
8.2.80.0040.00417.97
8.2.70.0060.00317.38
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0060.00319.95
8.2.30.0000.00718.14
8.2.20.0040.00417.64
8.2.10.0000.00717.95
8.2.00.0040.00417.68
8.1.280.0060.00825.92
8.1.270.0040.00423.84
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0090.00020.91
8.1.230.0080.00419.02
8.1.220.0030.00517.79
8.1.210.0090.00018.77
8.1.200.0030.00617.22
8.1.190.0000.00917.23
8.1.180.0040.00419.01
8.1.170.0050.00318.34
8.1.160.0000.00722.03
8.1.150.0070.00018.47
8.1.140.0040.00417.38
8.1.130.0030.00317.83
8.1.120.0000.00717.38
8.1.110.0040.00417.46
8.1.100.0040.00417.43
8.1.90.0040.00417.25
8.1.80.0040.00417.42
8.1.70.0050.00317.30
8.1.60.0030.00517.48
8.1.50.0030.00517.32
8.1.40.0040.00417.36
8.1.30.0030.00517.54
8.1.20.0000.00717.60
8.1.10.0050.00217.43
8.1.00.0000.00717.37
8.0.300.0070.00018.77
8.0.290.0030.00317.18
8.0.280.0000.00718.40
8.0.270.0040.00417.26
8.0.260.0000.00717.28
8.0.250.0000.00816.92
8.0.240.0060.00316.89
8.0.230.0030.00316.82
8.0.220.0000.00716.95
8.0.210.0000.00816.88
8.0.200.0030.00316.99
8.0.190.0030.00616.98
8.0.180.0000.00716.91
8.0.170.0070.00016.82
8.0.160.0000.00716.97
8.0.150.0030.00916.70
8.0.140.0080.00016.90
8.0.130.0030.00313.38
8.0.120.0030.00516.86
8.0.110.0030.00516.94
8.0.100.0050.00516.93
8.0.90.0000.00716.89
8.0.80.0090.00616.82
8.0.70.0050.00216.79
8.0.60.0050.00316.94
8.0.50.0040.00416.96
8.0.30.0120.01016.90
8.0.20.0120.00817.40
8.0.10.0000.00717.01
8.0.00.0060.01116.80
7.4.330.0060.00015.00
7.4.320.0000.00716.62
7.4.300.0060.00016.59
7.4.290.0000.00716.66
7.4.280.0030.00316.65
7.4.270.0030.00516.62
7.4.260.0000.00716.63
7.4.250.0000.00716.53
7.4.240.0040.00416.53
7.4.230.0000.00716.73
7.4.220.0120.00616.54
7.4.210.0120.00516.58
7.4.200.0000.00716.63
7.4.190.0000.00816.49
7.4.160.0070.01116.61
7.4.150.0130.00617.40
7.4.140.0060.01517.86
7.4.130.0070.01016.51
7.4.120.0120.00516.58
7.4.110.0110.00716.53
7.4.100.0120.00816.54
7.4.90.0040.01416.52
7.4.80.0090.01319.39
7.4.70.0130.00316.51
7.4.60.0080.00816.51
7.4.50.0060.00316.48
7.4.40.0140.00416.61
7.4.30.0100.00716.52
7.4.10.0060.01215.30
7.4.00.0030.01114.92
7.3.330.0070.00013.19
7.3.320.0060.00013.23
7.3.310.0000.00716.33
7.3.300.0030.00316.37
7.3.290.0090.00616.33
7.3.280.0080.01116.41
7.3.270.0110.00617.40
7.3.260.0080.00816.36
7.3.250.0080.01116.32
7.3.240.0120.01616.54
7.3.230.0150.00316.39
7.3.210.0100.00716.23
7.3.200.0060.01319.39
7.3.190.0120.00816.41
7.3.180.0120.00316.46
7.3.170.0100.01016.28
7.3.160.0130.00316.30
7.3.130.0060.00914.82
7.3.120.0080.01014.84
7.3.110.0080.01014.90
7.3.100.0030.01114.89
7.3.90.0040.00914.74
7.3.80.0080.00614.62
7.3.70.0040.00914.73
7.3.60.0070.00514.75
7.3.50.0090.00714.79
7.3.40.0050.00814.78
7.3.30.0050.00814.74
7.3.20.0080.00616.64
7.3.10.0080.00616.58
7.3.00.0080.00716.44
7.2.330.0210.00316.56
7.2.320.0220.00016.68
7.2.310.0180.00616.45
7.2.300.0110.00916.54
7.2.290.0060.01216.66
7.2.260.0060.01214.98
7.2.250.0080.00815.17
7.2.240.0090.00615.24
7.2.230.0070.01014.83
7.2.220.0070.00614.82
7.2.210.0060.00915.06
7.2.200.0080.00515.00
7.2.190.0030.01214.98
7.2.180.0080.00815.04
7.2.170.0060.01014.99
7.2.160.0060.00914.89
7.2.150.0130.00316.96
7.2.140.0070.00816.89
7.2.130.0080.00716.64
7.2.120.0100.00716.72
7.2.110.0070.01216.69
7.2.100.0100.00816.73
7.2.90.0090.00616.78
7.2.80.0100.00616.68
7.2.70.0090.00616.64
7.2.60.0100.00716.79
7.2.50.0080.01116.64
7.2.40.0060.01116.62
7.2.30.0030.01216.94
7.2.20.0060.00916.62
7.2.10.0110.00416.66
7.2.00.0070.00917.44
7.1.330.0030.01315.79
7.1.320.0030.01315.70
7.1.310.0040.00815.83
7.1.300.0050.00915.79
7.1.290.0040.00715.70
7.1.280.0080.00815.83
7.1.270.0090.00615.80
7.1.260.0070.00415.80
7.1.250.0090.00915.51
7.1.240.0000.01415.69
7.1.230.0120.00615.75
7.1.220.0040.01415.63
7.1.210.0030.01015.82
7.1.200.0070.00415.87
7.1.190.0090.00615.75
7.1.180.0030.00915.48
7.1.170.0040.00715.57
7.1.160.0090.00615.83
7.1.150.0080.00015.73
7.1.140.0000.01515.87
7.1.130.0060.00915.39
7.1.120.0060.00615.66
7.1.110.0030.00615.57
7.1.100.0070.00716.90
7.1.90.0000.00915.69
7.1.80.0120.00015.61
7.1.70.0060.00716.39
7.1.60.0050.01417.71
7.1.50.0120.00925.26
7.1.40.0070.00715.86
7.1.30.0110.00415.70
7.1.20.0060.00815.77
7.1.10.0000.01615.86
7.1.00.0090.03819.08
7.0.330.0060.00615.36
7.0.320.0030.01015.15
7.0.310.0030.00915.42
7.0.300.0070.00715.31
7.0.290.0060.00615.44
7.0.280.0040.00815.32
7.0.270.0070.00715.34
7.0.260.0060.00915.54
7.0.250.0070.00715.34
7.0.240.0030.00915.51
7.0.230.0000.00915.51
7.0.220.0000.00815.16
7.0.210.0100.00315.48
7.0.200.0070.00315.98
7.0.190.0040.00415.41
7.0.180.0040.00815.51
7.0.170.0030.00715.28
7.0.160.0060.00915.37
7.0.150.0040.00815.37
7.0.140.0050.03618.60
7.0.130.0000.01615.25
7.0.120.0060.00615.32
7.0.110.0060.00615.50
7.0.100.0060.00615.44
7.0.90.0030.01415.55
7.0.80.0100.00315.50
7.0.70.0040.00815.10
7.0.60.0090.04218.57
7.0.50.0070.02016.59
7.0.40.0010.02916.83
7.0.30.0130.02516.79
7.0.20.0180.03316.87
7.0.10.0050.05116.88
7.0.00.0050.02316.63
5.6.400.0030.00614.31
5.6.390.0040.01113.97
5.6.380.0060.01214.50
5.6.370.0100.00714.39
5.6.360.0030.01214.10
5.6.350.0030.01114.32
5.6.340.0060.00614.64
5.6.330.0110.00014.69
5.6.320.0030.01014.08
5.6.310.0000.01414.29
5.6.300.0040.00814.05
5.6.290.0060.00614.34
5.6.280.0070.00314.52
5.6.270.0100.00314.45
5.6.260.0000.01114.23
5.6.250.0100.00714.70
5.6.240.0070.00314.22
5.6.230.0030.00914.11
5.6.220.0080.00314.57
5.6.210.0030.03317.41
5.6.200.0070.04616.19
5.6.190.0020.04917.47
5.6.180.0120.04517.25
5.6.170.0200.04017.26
5.6.160.0050.02517.34
5.6.150.0060.04516.35
5.6.140.0060.02316.10
5.6.130.0170.03216.23
5.6.120.0070.04417.72
5.6.110.0050.02817.72
5.6.100.0050.03317.61
5.6.90.0080.04817.87
5.6.80.0060.02017.52
5.6.70.0060.00614.50
5.6.60.0070.00714.18
5.6.50.0040.00414.10
5.6.40.0060.00314.18
5.6.30.0030.01014.25
5.6.20.0030.00614.15
5.6.10.0060.00614.20
5.6.00.0100.00314.08
5.5.380.0120.00414.21
5.5.370.0040.00914.39
5.5.360.0060.00614.24
5.5.350.0120.04417.24
5.5.340.0080.04216.07
5.5.330.0060.02417.32
5.5.320.0220.02717.27
5.5.310.0130.04117.19
5.5.300.0050.02516.12
5.5.290.0080.02315.96
5.5.280.0060.03817.44
5.5.270.0070.04417.41
5.5.260.0090.04117.33
5.5.250.0050.04017.22
5.5.240.0150.02617.16
5.5.230.0030.00614.29
5.5.220.0090.00013.80
5.5.210.0070.00614.22
5.5.200.0060.01014.09
5.5.190.0060.00314.00
5.5.180.0130.00014.23
5.5.170.0040.01114.31
5.5.160.0040.01114.22
5.5.150.0060.00614.05
5.5.140.0040.00813.82
5.5.130.0070.00714.42
5.5.120.0060.00614.21
5.5.110.0090.00614.31
5.5.100.0070.01414.06
5.5.90.0110.01113.70
5.5.80.0060.00614.29
5.5.70.0130.00314.04
5.5.60.0030.01413.91
5.5.50.0060.00314.00
5.5.40.0050.00813.97
5.5.30.0040.01114.00
5.5.20.0120.00314.25
5.5.10.0090.00614.22
5.5.00.0060.00314.40
5.4.450.1680.02315.44
5.4.440.0000.02715.50
5.4.430.0480.02215.40
5.4.420.1200.02215.38
5.4.410.1800.02315.39
5.4.400.2350.02215.26
5.4.390.2050.02115.15
5.4.380.2070.02015.14
5.4.370.1770.02515.29
5.4.360.2020.02215.29
5.4.350.1650.02215.30
5.4.340.1790.01715.31
5.4.330.0030.00711.43
5.4.320.2120.02215.30
5.4.310.2230.02015.14
5.4.300.1980.02515.34
5.4.290.2280.02415.24
5.4.280.2400.01815.22
5.4.270.1800.02015.21
5.4.260.2220.02015.28
5.4.250.2080.02315.34
5.4.240.2450.01815.23
5.4.230.1880.02115.29
5.4.220.1780.01815.14
5.4.210.1570.02615.28
5.4.200.1970.01715.20
5.4.190.1970.02215.16
5.4.180.1530.02515.29
5.4.170.2080.02215.23
5.4.160.2240.02415.23
5.4.150.2110.02115.26
5.4.140.2100.02313.85
5.4.130.1650.02213.91
5.4.120.2180.01713.91
5.4.110.1700.02013.91
5.4.100.2220.02514.00
5.4.90.1700.02213.96
5.4.80.1820.02513.99
5.4.70.2350.02213.99
5.4.60.2220.02013.90
5.4.50.1970.02513.93
5.4.40.0000.02713.85
5.4.30.0050.03513.76
5.4.20.2280.01713.91
5.4.10.2410.02013.91
5.4.00.2100.02013.55
5.3.290.2280.02313.00
5.3.280.2020.02513.01
5.3.270.2320.01713.01
5.3.260.2320.01812.96
5.3.250.1800.02212.96
5.3.240.2130.02412.97
5.3.230.1900.02412.99
5.3.220.2920.02012.91
5.3.210.2120.01812.97
5.3.200.2000.02212.98
5.3.190.1960.01812.97
5.3.180.1780.02212.96
5.3.170.2130.02512.97
5.3.160.1820.02012.97
5.3.150.1700.02313.01
5.3.140.0520.02412.94
5.3.130.0310.02912.96
5.3.120.1950.02312.99
5.3.110.2030.02312.97
5.3.100.1880.02412.71
5.3.90.2070.02012.69
5.3.80.1880.02412.78
5.3.70.1260.02012.69
5.3.60.1500.01912.69
5.3.50.1040.02012.59
5.3.40.1430.02612.68
5.3.30.1700.01712.72
5.3.20.1250.02112.48
5.3.10.1550.01912.53
5.3.00.1230.02412.50
5.2.170.2600.03011.13
5.2.160.3200.02311.16
5.2.150.2300.02311.14
5.2.140.2270.03011.14
5.2.130.2100.03011.09
5.2.120.2170.03011.05
5.2.110.2400.02311.10
5.2.100.0070.02311.04
5.2.90.0000.03011.00
5.2.80.0030.03011.04
5.2.70.0030.02711.09
5.2.60.1800.03011.07
5.2.50.2430.02310.88
5.2.40.2530.03311.01
5.2.30.2230.02310.97
5.2.20.2370.03310.92
5.2.10.2600.02711.02
5.2.00.3130.02710.75
5.1.60.2830.0239.97
5.1.50.3230.02310.06
5.1.40.2130.0279.89
5.1.30.3300.02310.39
5.1.20.3030.03310.45
5.1.10.3000.02310.09
5.1.00.2930.0239.98
5.0.50.1730.0238.54
5.0.40.1330.0208.44
5.0.30.1500.0278.22
5.0.20.1600.0208.21
5.0.10.1130.0208.22
5.0.00.1200.0278.07
4.4.90.0000.0175.97
4.4.80.0830.0175.97
4.4.70.1230.0175.97
4.4.60.0170.0135.97
4.4.50.0800.0175.97
4.4.40.1500.0275.97
4.4.30.1900.0135.97
4.4.20.1670.0105.97
4.4.10.1530.0135.97
4.4.00.1530.0235.97
4.3.110.1470.0205.97
4.3.100.1400.0175.97
4.3.90.1230.0135.97
4.3.80.1130.0235.97
4.3.70.1170.0135.97
4.3.60.1270.0135.97
4.3.50.1270.0175.97
4.3.40.1370.0275.97
4.3.30.0500.0135.97
4.3.20.0870.0175.97
4.3.10.0830.0135.97
4.3.00.0830.0175.97

preferences:
62.38 ms | 401 KiB | 5 Q