3v4l.org

run code in 300+ PHP versions simultaneously
<?php $p=""; var_dump(stripos($p, "union")!==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)
8.3.60.0150.00618.43
8.3.50.0100.00821.91
8.3.40.0110.00418.60
8.3.30.0100.00319.09
8.3.20.0000.00720.34
8.3.10.0040.00422.09
8.3.00.0080.00022.21
8.2.180.0140.00716.38
8.2.170.0120.00322.96
8.2.160.0140.00320.89
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0050.00317.50
8.2.110.0030.00622.11
8.2.100.0000.01117.72
8.2.90.0040.00419.09
8.2.80.0030.00519.37
8.2.70.0030.00617.50
8.2.60.0040.00417.90
8.2.50.0040.00418.07
8.2.40.0040.00418.03
8.2.30.0000.01017.88
8.2.20.0040.00417.64
8.2.10.0080.00019.41
8.2.00.0000.00817.57
8.1.280.0090.00625.92
8.1.270.0050.00322.01
8.1.260.0100.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.84
8.1.230.0120.00019.00
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0070.00317.35
8.1.190.0040.00417.39
8.1.180.0060.00318.10
8.1.170.0030.00618.43
8.1.160.0040.00421.99
8.1.150.0030.00518.62
8.1.140.0040.00417.25
8.1.130.0000.00717.86
8.1.120.0030.00417.46
8.1.110.0030.00417.40
8.1.100.0070.00017.41
8.1.90.0040.00417.32
8.1.80.0040.00417.24
8.1.70.0030.00317.32
8.1.60.0000.00817.46
8.1.50.0040.00417.43
8.1.40.0040.00417.49
8.1.30.0000.00817.45
8.1.20.0040.00417.62
8.1.10.0000.00717.41
8.1.00.0070.00017.36
8.0.300.0040.00418.77
8.0.290.0080.00017.05
8.0.280.0000.00718.37
8.0.270.0000.00717.09
8.0.260.0030.00316.76
8.0.250.0030.00316.86
8.0.240.0030.00616.89
8.0.230.0030.00316.73
8.0.220.0000.00616.80
8.0.210.0000.00716.71
8.0.200.0060.00316.79
8.0.190.0070.00016.85
8.0.180.0080.00016.77
8.0.170.0040.00416.80
8.0.160.0000.00716.84
8.0.150.0000.00816.70
8.0.140.0080.00016.78
8.0.130.0030.00313.29
8.0.120.0060.00316.76
8.0.110.0000.00716.63
8.0.100.0000.00716.86
8.0.90.0040.00416.79
8.0.80.0000.01616.78
8.0.70.0070.00016.68
8.0.60.0030.00316.88
8.0.50.0040.00416.63
8.0.30.0090.01117.13
8.0.20.0120.00717.40
8.0.10.0040.00416.81
8.0.00.0080.01016.67
7.4.330.0050.00015.00
7.4.320.0070.00016.66
7.4.300.0000.00716.58
7.4.290.0030.00316.44
7.4.280.0050.00316.57
7.4.270.0070.00016.58
7.4.260.0030.00316.62
7.4.250.0030.00316.54
7.4.240.0030.00316.47
7.4.230.0070.00016.47
7.4.220.0150.00316.57
7.4.210.0120.00616.54
7.4.200.0070.00016.49
7.4.190.0070.00016.74
7.4.160.0120.00316.42
7.4.150.0140.00317.40
7.4.140.0120.00817.86
7.4.130.0100.00816.48
7.4.120.0140.00316.54
7.4.110.0030.02016.28
7.4.100.0030.01316.44
7.4.90.0060.01216.39
7.4.80.0100.01319.39
7.4.70.0100.00616.50
7.4.60.0120.00616.60
7.4.50.0030.00616.25
7.4.40.0070.00722.77
7.4.30.0130.00316.46
7.4.00.0040.01115.08
7.3.330.0000.00513.03
7.3.320.0050.00012.91
7.3.310.0040.00416.27
7.3.300.0030.00316.21
7.3.290.0070.00716.22
7.3.280.0070.01216.19
7.3.270.0070.01017.40
7.3.260.0060.01216.22
7.3.250.0110.00616.20
7.3.240.0130.00416.18
7.3.230.0150.00616.39
7.3.210.0030.01316.16
7.3.200.0100.01019.39
7.3.190.0090.00816.50
7.3.180.0120.00316.17
7.3.170.0030.01316.28
7.3.160.0060.00916.14
7.3.120.0030.01014.85
7.2.330.0070.01016.22
7.2.320.0170.00416.53
7.2.310.0100.00716.49
7.2.300.0080.00816.63
7.2.290.0070.01316.66
7.2.110.0000.01416.61
7.2.100.0040.01116.52
7.2.90.0070.00716.57
7.2.80.0030.00616.43
7.2.70.0040.00816.77
7.2.60.0070.00316.67
7.2.50.0060.00916.83
7.2.40.0000.01416.82
7.2.30.0040.01416.98
7.2.20.0040.01216.69
7.2.10.0060.00316.52
7.2.00.0110.00517.99
7.1.230.0100.00715.50
7.1.220.0100.00315.63
7.1.210.0000.01015.73
7.1.200.0030.01015.59
7.1.190.0070.00715.48
7.1.180.0040.00815.71
7.1.170.0130.00015.80
7.1.160.0080.00415.70
7.1.150.0080.00315.55
7.1.140.0070.00715.75
7.1.130.0060.00915.73
7.1.120.0040.00815.77
7.1.110.0080.00415.83
7.1.100.0090.00616.96
7.1.90.0100.00015.59
7.1.80.0060.00615.83
7.1.70.0090.00216.21
7.1.60.0050.01617.85
7.1.50.0130.00716.33
7.1.40.0070.01015.86
7.1.30.0110.00715.95
7.1.20.0110.00715.63
7.1.10.0070.00715.56
7.1.00.0060.04019.02
7.0.310.0030.00715.29
7.0.300.0100.00015.24
7.0.290.0000.01215.22
7.0.280.0060.00615.41
7.0.270.0060.00615.34
7.0.260.0100.00315.37
7.0.250.0090.00615.34
7.0.240.0060.00915.04
7.0.230.0000.00715.54
7.0.220.0060.00615.17
7.0.210.0070.00415.20
7.0.200.0050.00616.10
7.0.190.0040.00815.18
7.0.180.0090.00315.21
7.0.170.0090.00315.28
7.0.160.0090.00615.39
7.0.150.0030.00615.34
7.0.140.0070.03818.77
7.0.130.0080.00415.51
7.0.120.0120.00315.30
7.0.110.0070.00715.43
7.0.100.0050.03218.54
7.0.90.0030.04218.65
7.0.80.0050.04518.46
7.0.70.0070.03418.59
7.0.60.0030.04118.63
7.0.50.0080.04018.75
7.0.40.0050.04416.72
7.0.30.0070.04216.73
7.0.20.0070.04216.83
7.0.10.0070.03716.75
7.0.00.0030.04316.60
5.6.380.0080.00014.18
5.6.370.0070.00714.19
5.6.360.0030.00913.97
5.6.350.0030.01014.25
5.6.340.0000.01014.25
5.6.330.0090.00314.07
5.6.320.0030.01014.14
5.6.310.0000.01214.04
5.6.300.0030.00814.38
5.6.290.0100.00014.43
5.6.280.0050.03817.65
5.6.270.0040.00814.25
5.6.260.0060.00913.90
5.6.250.0080.02317.32
5.6.240.0070.04217.47
5.6.230.0060.03617.42
5.6.220.0050.03217.48
5.6.210.0060.04117.42
5.6.200.0020.03817.70
5.6.190.0060.04617.56
5.6.180.0060.04317.63
5.6.170.0060.04517.68
5.6.160.0060.03517.71
5.6.150.0080.04217.64
5.6.140.0080.04017.53
5.6.130.0050.04317.47
5.6.120.0050.04617.80
5.6.110.0050.04717.62
5.6.100.0020.04917.61
5.6.90.0040.04517.70
5.6.80.0050.04317.30
5.6.70.0030.04317.28
5.6.60.0050.04417.26
5.6.50.0070.02617.29
5.6.40.0050.03817.30
5.6.30.0060.03917.27
5.6.20.0030.04217.22
5.6.10.0070.04017.15
5.6.00.0050.04417.21
5.5.380.0030.02115.50
5.5.370.0030.02815.68
5.5.360.0050.04015.65
5.5.350.0020.03715.70
5.5.340.0070.04115.87
5.5.330.0100.03515.76
5.5.320.0060.04115.90
5.5.310.0070.04215.90
5.5.300.0020.04315.84
5.5.290.0020.02915.98
5.5.280.0030.04515.74
5.5.270.0030.04415.89
5.5.260.0050.04315.75
5.5.250.0030.04315.74
5.5.240.0070.02315.54
5.5.230.0020.04315.46
5.5.220.0030.04315.37
5.5.210.0030.02515.39
5.5.200.0020.04515.53
5.5.190.0050.03815.52
5.5.180.0060.02115.55
5.5.170.0070.00713.93
5.5.160.0100.03815.59
5.5.150.0080.02315.45
5.5.140.0060.04015.64
5.5.130.0020.04515.53
5.5.120.0050.03015.42
5.5.110.0040.04415.50
5.5.100.0100.03515.42
5.5.90.0050.04115.50
5.5.80.0050.04115.39
5.5.70.0030.02715.55
5.5.60.0040.03515.52
5.5.50.0030.03715.42
5.5.40.0050.04215.48
5.5.30.0000.04415.56
5.5.20.0050.04115.56
5.5.10.0040.02715.40
5.5.00.0070.03615.50
5.4.450.0030.04115.14
5.4.440.0030.04415.12
5.4.430.0060.03815.08
5.4.420.0050.03815.02
5.4.410.0030.04015.10
5.4.400.0020.04114.89
5.4.390.0060.04114.91
5.4.380.0030.03214.83
5.4.370.0050.04014.96
5.4.360.0030.03814.89
5.4.350.0050.03514.82
5.4.340.0060.03914.93
5.4.330.0110.00010.96
5.4.320.0070.04014.88
5.4.310.0070.03514.98
5.4.300.0060.03614.94
5.4.290.0030.02514.99
5.4.280.0020.04414.94
5.4.270.0060.03614.72
5.4.260.0020.03814.76
5.4.250.0050.02614.80
5.4.240.0000.03214.82
5.4.230.0010.04614.83
5.4.220.0070.03014.89
5.4.210.0050.03715.08
5.4.200.0000.03814.84
5.4.190.0080.04014.93
5.4.180.0040.04214.90
5.4.170.0060.02414.71
5.4.160.0050.03914.85
5.4.150.0030.04014.94
5.4.140.0020.03313.80
5.4.130.0030.03413.56
5.4.120.0050.04013.57
5.4.110.0080.03513.71
5.4.100.0020.03913.68
5.4.90.0010.04113.63
5.4.80.0020.02613.52
5.4.70.0050.03513.59
5.4.60.0070.03413.56
5.4.50.0030.04113.49
5.4.40.0020.04313.62
5.4.30.0030.03313.49
5.4.20.0100.02113.55
5.4.10.0070.03313.62
5.4.00.0050.03513.24
5.3.290.0050.02512.64
5.3.280.0060.02412.57
5.3.270.0030.04112.56
5.3.260.0070.02312.58
5.3.250.0050.03812.60
5.3.240.0020.02212.60
5.3.230.0050.03812.56
5.3.220.0050.03812.57
5.3.210.0080.03512.52
5.3.200.0040.03912.57
5.3.190.0000.03712.58
5.3.180.0020.04312.59
5.3.170.0000.04712.52
5.3.160.0030.03812.57
5.3.150.0070.02212.55
5.3.140.0030.03912.58
5.3.130.0030.04112.55
5.3.120.0020.04112.57
5.3.110.0000.04112.56
5.3.100.0030.04012.43
5.3.90.0080.03112.43
5.3.80.0070.03712.43
5.3.70.0070.03512.43
5.3.60.0050.03312.43
5.3.50.0030.04012.43
5.3.40.0060.03512.43
5.3.30.0020.04012.43
5.3.20.0030.03712.43
5.3.10.0050.03712.43
5.3.00.0030.02412.43
5.2.170.0030.03212.43
5.2.160.0030.03312.43
5.2.150.0000.03612.43
5.2.140.0050.03312.43
5.2.130.0040.03212.43
5.2.120.0050.03112.43
5.2.110.0060.02712.43
5.2.100.0030.02612.43
5.2.90.0000.03312.43
5.2.80.0000.02712.43
5.2.70.0010.03412.43
5.2.60.0030.02812.43
5.2.50.0010.03012.43
5.2.40.0030.03312.43
5.2.30.0010.02312.43
5.2.20.0050.02912.43
5.2.10.0060.03012.43
5.2.00.0040.03312.43
5.1.60.0030.02112.43
5.1.50.0000.02512.43
5.1.40.0030.02712.43
5.1.30.0070.02612.43
5.1.20.0030.02912.43
5.1.10.0020.02412.43
5.1.00.0050.02512.43
5.0.50.0050.02412.43
5.0.40.0070.02012.43
5.0.30.0020.03412.43
5.0.20.0040.02112.43
5.0.10.0050.01812.43
5.0.00.0050.03012.43
4.4.90.0010.01712.43
4.4.80.0030.02012.43
4.4.70.0020.01112.43
4.4.60.0000.02112.43
4.4.50.0030.01512.43
4.4.40.0000.02712.43
4.4.30.0020.02212.43
4.4.20.0010.01912.43
4.4.10.0030.01612.43
4.4.00.0010.02912.43
4.3.110.0040.01512.43
4.3.100.0000.02012.43
4.3.90.0020.01612.43
4.3.80.0030.02312.43
4.3.70.0000.02112.43
4.3.60.0020.02012.43
4.3.50.0000.02112.43
4.3.40.0020.02812.43
4.3.30.0020.02012.43
4.3.20.0030.01612.43
4.3.10.0020.01812.43
4.3.00.0070.01312.43

preferences:
42.28 ms | 401 KiB | 5 Q