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';

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)
8.3.60.0100.01018.30
8.3.50.0050.01221.98
8.3.40.0110.00718.67
8.3.30.0100.01018.92
8.3.20.0000.00820.18
8.3.10.0050.00323.48
8.3.00.0040.00419.02
8.2.180.0120.00316.63
8.2.170.0060.00922.96
8.2.160.0030.01020.35
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0080.00019.12
8.2.110.0000.00922.16
8.2.100.0090.00317.91
8.2.90.0050.00519.16
8.2.80.0000.00817.97
8.2.70.0000.01217.38
8.2.60.0000.00918.05
8.2.50.0060.00318.07
8.2.40.0080.00019.82
8.2.30.0040.00418.29
8.2.20.0030.00617.73
8.2.10.0000.00717.98
8.2.00.0070.00017.64
8.1.280.0100.00725.92
8.1.270.0110.00423.97
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00323.91
8.1.230.0070.00419.01
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0100.00317.13
8.1.190.0050.00516.97
8.1.180.0000.00818.89
8.1.170.0060.00318.58
8.1.160.0000.00721.93
8.1.150.0040.00418.62
8.1.140.0000.00717.43
8.1.130.0000.00717.82
8.1.120.0030.00317.37
8.1.110.0040.00417.36
8.1.100.0030.00617.29
8.1.90.0040.00417.42
8.1.80.0080.00017.27
8.1.70.0000.00717.32
8.1.60.0030.00617.54
8.1.50.0040.00417.30
8.1.40.0080.00017.34
8.1.30.0000.00817.48
8.1.20.0050.00217.54
8.1.10.0040.00417.51
8.1.00.0000.00717.45
8.0.300.0070.00018.77
8.0.290.0050.00317.16
8.0.280.0000.00718.34
8.0.270.0000.00717.30
8.0.260.0070.00017.25
8.0.250.0000.00717.04
8.0.240.0050.00516.90
8.0.230.0030.00316.95
8.0.220.0000.00716.89
8.0.210.0000.00716.89
8.0.200.0030.00316.89
8.0.190.0040.00416.91
8.0.180.0040.00416.92
8.0.170.0090.00016.80
8.0.160.0040.00416.87
8.0.150.0000.00716.84
8.0.140.0040.00416.90
8.0.130.0000.00613.32
8.0.120.0030.00516.74
8.0.110.0030.00516.89
8.0.100.0040.00416.88
8.0.90.0080.00016.98
8.0.80.0030.01416.86
8.0.70.0040.00416.95
8.0.60.0040.00416.74
8.0.50.0050.00316.66
8.0.30.0110.00716.91
8.0.20.0090.00917.40
8.0.10.0000.00717.05
8.0.00.0140.00416.76
7.4.330.0000.00515.02
7.4.320.0030.00316.60
7.4.300.0000.00716.47
7.4.290.0070.00016.56
7.4.280.0050.00516.54
7.4.270.0050.00316.58
7.4.260.0030.00516.34
7.4.250.0040.00416.56
7.4.240.0030.00416.47
7.4.230.0000.00716.31
7.4.220.0120.00616.65
7.4.210.0030.01216.46
7.4.200.0070.00016.57
7.4.190.0060.00316.39
7.4.160.0130.00316.44
7.4.150.0190.00017.40
7.4.140.0120.00517.86
7.4.130.0080.00916.39
7.4.120.0110.00716.55
7.4.110.0070.01816.61
7.4.100.0060.01016.47
7.4.90.0060.01016.68
7.4.80.0140.00719.39
7.4.70.0160.00016.36
7.4.60.0130.00316.45
7.4.50.0050.00316.50
7.4.40.0060.01216.31
7.4.30.0090.00616.55
7.4.00.0090.00914.67
7.3.330.0060.00013.07
7.3.320.0020.00213.18
7.3.310.0000.00816.15
7.3.300.0000.00716.33
7.3.290.0110.00416.31
7.3.280.0100.00716.34
7.3.270.0120.01217.40
7.3.260.0030.01316.32
7.3.250.0080.00916.41
7.3.240.0070.01116.54
7.3.230.0100.00716.39
7.3.210.0120.00416.40
7.3.200.0140.00719.39
7.3.190.0060.01316.37
7.3.180.0150.00016.16
7.3.170.0100.01416.29
7.3.160.0110.00616.31
7.3.120.0090.00614.82
7.3.10.0060.00816.66
7.3.00.0130.00216.49
7.2.330.0060.01416.43
7.2.320.0150.00616.42
7.2.310.0120.01216.57
7.2.300.0120.01216.40
7.2.290.0110.00616.34
7.2.130.0090.00516.82
7.2.120.0090.00716.70
7.2.110.0060.01016.63
7.2.100.0080.00216.80
7.2.90.0050.00616.86
7.2.80.0080.00516.70
7.2.70.0050.00716.75
7.2.60.0100.00516.59
7.2.50.0090.00516.82
7.2.40.0110.00016.93
7.2.30.0040.00916.69
7.2.20.0110.00416.69
7.2.10.0030.01016.58
7.2.00.0050.00917.55
7.1.250.0070.00315.71
7.1.100.0000.00918.18
7.1.70.0080.00316.95
7.1.60.0060.01919.46
7.1.50.0030.01716.88
7.1.00.0130.06322.46
7.0.200.0000.00716.46
7.0.140.0030.06721.91
7.0.100.0070.04021.70
7.0.90.0000.04321.71
7.0.80.0030.04721.70
7.0.70.0030.04321.78
7.0.60.0000.04321.89
7.0.50.0170.07322.19
7.0.40.0130.06319.91
7.0.30.0070.06320.03
7.0.20.0170.07720.08
7.0.10.0130.07320.11
7.0.00.0130.05719.95
5.6.280.0070.07020.81
5.6.250.0000.04320.69
5.6.240.0000.04320.61
5.6.230.0070.04720.56
5.6.220.0000.04320.55
5.6.210.0000.04320.75
5.6.200.0070.07321.13
5.6.190.0070.08021.08
5.6.180.0030.08020.91
5.6.170.0100.08721.08
5.6.160.0030.05321.08
5.6.150.0070.08321.02
5.6.140.0070.08721.07
5.6.130.0030.08720.96
5.6.120.0070.08021.10
5.6.110.0070.08721.09
5.6.100.0070.08320.98
5.6.90.0070.07721.01
5.6.80.0170.06320.36
5.6.70.0070.08020.34
5.6.60.0100.07020.42
5.6.50.0130.06320.39
5.6.40.0170.06320.46
5.6.30.0070.07320.42
5.6.20.0030.08020.29
5.6.10.0100.07720.43
5.6.00.0230.04720.28
5.5.380.0000.05020.45
5.5.370.0100.03720.42
5.5.360.0130.06020.34
5.5.350.0000.04320.45
5.5.340.0000.08720.82
5.5.330.0070.08320.86
5.5.320.0100.08320.86
5.5.310.0100.07320.80
5.5.300.0170.07320.90
5.5.290.0070.06720.77
5.5.280.0070.07720.76
5.5.270.0070.05320.79
5.5.260.0200.07320.76
5.5.250.0070.08020.59
5.5.240.0130.06320.26
5.5.230.0100.07720.29
5.5.220.0130.07320.12
5.5.210.0070.08020.23
5.5.200.0130.07320.18
5.5.190.0030.07720.08
5.5.180.0070.06719.99
5.5.160.0130.07720.23
5.5.150.0030.06720.18
5.5.140.0030.08020.18
5.5.130.0000.08720.10
5.5.120.0100.06320.25
5.5.110.0100.07319.95
5.5.100.0100.07020.02
5.5.90.0170.06319.97
5.5.80.0030.08320.12
5.5.70.0030.08320.06
5.5.60.0030.05020.10
5.5.50.0130.07020.09
5.5.40.0000.07019.97
5.5.30.0030.08020.11
5.5.20.0100.07720.09
5.5.10.0070.07320.12
5.5.00.0170.07019.97
5.4.450.0000.08719.14
5.4.440.0070.08019.56
5.4.430.0100.07319.46
5.4.420.0070.07719.44
5.4.410.0030.05719.40
5.4.400.0100.04719.05
5.4.390.0030.07719.07
5.4.380.0100.07319.25
5.4.370.0070.04319.15
5.4.360.0000.05319.15
5.4.350.0100.07719.13
5.4.340.0130.06719.14
5.4.320.0100.07019.08
5.4.310.0070.06319.23
5.4.300.0170.06719.09
5.4.290.0030.07719.06
5.4.280.0100.07019.12
5.4.270.0170.05019.04
5.4.260.0070.07719.03
5.4.250.0130.05318.94
5.4.240.0100.07018.98
5.4.230.0000.06319.06
5.4.220.0170.07019.14
5.4.210.0070.06719.04
5.4.200.0070.07718.78
5.4.190.0130.07319.12
5.4.180.0130.07318.96
5.4.170.0030.08018.80
5.4.160.0130.07019.00
5.4.150.0100.07719.03
5.4.140.0130.06716.35
5.4.130.0030.07316.28
5.4.120.0000.08016.27
5.4.110.0070.07316.31
5.4.100.0070.07016.26
5.4.90.0130.06016.27
5.4.80.0070.07316.43
5.4.70.0100.06716.20
5.4.60.0100.07016.32
5.4.50.0030.07316.39
5.4.40.0130.06716.36
5.4.30.0100.07016.20
5.4.20.0070.06316.18
5.4.10.0170.06316.38
5.4.00.0130.06315.57
5.3.290.0100.07014.60
5.3.280.0100.07014.54
5.3.270.0070.07314.46
5.3.260.0070.05714.59
5.3.250.0100.07314.55
5.3.240.0070.04714.52
5.3.230.0100.06714.55
5.3.220.0100.06714.56
5.3.210.0070.07314.57
5.3.200.0100.06014.42
5.3.190.0100.06714.56
5.3.180.0030.08014.55
5.3.170.0100.06714.50
5.3.160.0000.08014.54
5.3.150.0070.07314.42
5.3.140.0030.07314.42
5.3.130.0170.06014.51
5.3.120.0070.07714.50
5.3.110.0070.07014.51
5.3.100.0000.08013.90
5.3.90.0070.05314.00
5.3.80.0030.08013.97
5.3.70.0070.07714.00
5.3.60.0030.07314.00
5.3.50.0100.06313.88
5.3.40.0070.04013.93
5.3.30.0130.07013.77
5.3.20.0000.05713.67
5.3.10.0030.07013.64
5.3.00.0100.06313.63
5.2.170.0000.06711.14
5.2.160.0070.06010.94
5.2.150.0100.05711.16
5.2.140.0070.06011.10
5.2.130.0000.06711.15
5.2.120.0000.06310.89
5.2.110.0030.05711.10
5.2.100.0030.06310.93
5.2.90.0030.05311.13
5.2.80.0000.06710.94
5.2.70.0100.03310.96
5.2.60.0030.06311.04
5.2.50.0070.05710.89
5.2.40.0070.05010.94
5.2.30.0070.05711.02
5.2.20.0100.05710.82
5.2.10.0100.05310.91
5.2.00.0100.04010.64
5.1.60.0070.0509.82
5.1.50.0200.04010.04
5.1.40.0030.06010.06
5.1.30.0030.05710.38
5.1.20.0030.05710.38
5.1.10.0100.04310.07
5.1.00.0100.0509.90
5.0.50.0000.0438.56
5.0.40.0070.0408.41
5.0.30.0030.0608.07
5.0.20.0100.0238.09
5.0.10.0070.0408.03
5.0.00.0000.0638.17
4.4.90.0000.0338.03
4.4.80.0070.0308.03
4.4.70.0030.0338.03
4.4.60.0000.0338.03
4.4.50.0030.0338.03
4.4.40.0030.0508.03
4.4.30.0030.0338.03
4.4.20.0000.0378.03
4.4.10.0000.0378.03
4.4.00.0000.0508.03
4.3.110.0070.0308.03
4.3.100.0030.0278.03
4.3.90.0030.0338.03
4.3.80.0000.0578.03
4.3.70.0030.0338.03
4.3.60.0000.0338.03
4.3.50.0000.0378.03
4.3.40.0000.0508.03
4.3.30.0000.0378.03
4.3.20.0070.0278.03
4.3.10.0030.0338.03
4.3.00.0000.0338.03

preferences:
44.57 ms | 401 KiB | 5 Q