3v4l.org

run code in 300+ PHP versions simultaneously
<?php function check_int($i) { if (preg_match('[^0-9]', $i)) { return 0; } else { return 1; } } function check_int1($i) { return (strval((int)$i) === strval($i)); } echo check_int1("rg");

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)
8.3.60.0070.01116.25
8.3.50.0230.01017.42
8.3.40.0090.00918.50
8.3.30.0070.00718.64
8.3.20.0050.00318.55
8.3.10.0040.00418.73
8.3.00.0090.00319.02
8.2.180.0040.01118.17
8.2.170.0070.01422.96
8.2.160.0060.00918.71
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00220.69
8.2.110.0060.00320.27
8.2.100.0080.00417.91
8.2.90.0050.00219.17
8.2.80.0000.00919.28
8.2.70.0040.00417.36
8.2.60.0030.00617.68
8.2.50.0000.00818.07
8.2.40.0070.00017.97
8.2.30.0030.00617.88
8.2.20.0000.01017.60
8.2.10.0000.00717.54
8.2.00.0000.00817.67
8.1.280.0090.00625.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0020.00528.09
8.1.240.0120.00021.91
8.1.230.0090.00320.90
8.1.220.0000.00818.77
8.1.210.0060.00319.09
8.1.200.0060.00317.25
8.1.190.0050.00217.41
8.1.180.0040.00418.10
8.1.170.0030.00618.68
8.1.160.0000.00718.81
8.1.150.0040.00418.55
8.1.140.0000.00717.20
8.1.130.0000.00717.75
8.1.120.0000.00817.23
8.1.110.0040.00417.21
8.1.100.0000.00717.32
8.1.90.0040.00417.30
8.1.80.0040.00417.41
8.1.70.0000.00717.27
8.1.60.0040.00417.52
8.1.50.0000.00817.45
8.1.40.0060.00317.39
8.1.30.0020.00617.52
8.1.20.0050.00217.49
8.1.10.0000.00817.48
8.1.00.0060.00317.39
8.0.300.0040.00419.87
8.0.290.0030.00616.63
8.0.280.0030.00518.39
8.0.270.0000.00717.04
8.0.260.0040.00416.75
8.0.250.0070.00016.93
8.0.240.0040.00416.82
8.0.230.0000.00716.88
8.0.220.0030.00316.80
8.0.210.0000.00716.73
8.0.200.0060.00016.79
8.0.190.0080.00016.79
8.0.180.0050.00216.81
8.0.170.0000.00916.61
8.0.160.0040.00416.83
8.0.150.0060.00316.70
8.0.140.0100.00316.71
8.0.130.0050.00013.22
8.0.120.0040.00416.69
8.0.110.0000.00716.55
8.0.100.0000.00716.70
8.0.90.0040.00416.87
8.0.80.0090.00916.73
8.0.70.0000.00716.56
8.0.60.0060.00316.76
8.0.50.0020.00516.77
8.0.30.0070.01117.24
8.0.20.0110.00817.04
8.0.10.0040.00416.94
8.0.00.0090.00816.77
7.4.330.0020.00312.85
7.4.320.0030.00316.42
7.4.300.0000.00716.35
7.4.290.0000.00716.34
7.4.280.0040.00416.45
7.4.270.0000.00716.56
7.4.260.0000.00513.20
7.4.250.0070.00016.55
7.4.240.0000.00716.52
7.4.230.0030.00316.39
7.4.220.0070.01016.39
7.4.210.0080.00716.39
7.4.200.0040.00416.34
7.4.190.0000.00716.66
7.4.160.0160.00316.19
7.4.150.0200.00616.32
7.4.140.0110.00516.28
7.4.130.0100.00716.40
7.4.120.0090.01216.13
7.4.110.0110.01216.32
7.4.100.0080.00816.44
7.4.90.0070.01116.48
7.4.80.0150.00616.52
7.4.70.0060.00916.31
7.4.60.0110.00616.55
7.4.50.0060.00316.35
7.4.40.0060.01016.25
7.4.30.0130.00316.59
7.4.00.0040.01414.77
7.3.330.0030.00313.22
7.3.320.0050.00213.27
7.3.310.0070.00016.16
7.3.300.0030.00316.29
7.3.290.0090.00516.33
7.3.280.0040.01216.30
7.3.270.0090.00616.31
7.3.260.0090.00916.47
7.3.250.0130.00816.56
7.3.240.0140.00416.34
7.3.230.0070.01016.54
7.3.210.0090.00916.44
7.3.200.0140.00319.39
7.3.190.0030.01316.51
7.3.180.0090.00616.30
7.3.170.0060.01216.34
7.3.160.0140.00616.44
7.3.120.0050.01214.83
7.3.110.0040.01414.83
7.3.100.0100.01014.96
7.3.90.0040.00814.51
7.3.80.0030.00614.85
7.3.70.0040.00814.89
7.3.60.0060.01314.80
7.3.50.0070.00714.93
7.3.40.0000.01014.57
7.3.30.0080.00814.69
7.3.20.0060.01216.86
7.3.10.0050.01016.59
7.3.00.0080.00616.43
7.2.330.0060.00916.71
7.2.320.0140.00316.71
7.2.310.0130.00616.77
7.2.300.0070.01016.60
7.2.290.0060.01016.43
7.2.250.0030.01315.27
7.2.240.0060.01114.93
7.2.230.0080.00814.78
7.2.220.0070.00414.77
7.2.210.0150.00314.96
7.2.200.0030.01014.76
7.2.190.0030.01014.67
7.2.180.0030.01114.96
7.2.170.0050.00515.00
7.2.160.0000.01414.66
7.2.150.0100.00716.87
7.2.140.0040.01116.95
7.2.130.0080.00816.71
7.2.120.0090.00316.70
7.2.110.0130.00916.70
7.2.100.0100.00516.69
7.2.90.0120.00516.57
7.2.80.0120.00616.73
7.2.70.0090.00416.66
7.2.60.0090.00816.69
7.2.50.0060.00816.71
7.2.40.0090.00716.76
7.2.30.0110.00616.80
7.2.20.0110.00616.65
7.2.10.0100.00816.81
7.2.00.0090.00717.16
7.1.330.0040.00815.71
7.1.320.0070.00715.63
7.1.310.0070.01015.59
7.1.300.0090.00915.76
7.1.290.0090.00315.33
7.1.280.0120.00415.79
7.1.270.0060.00915.56
7.1.260.0070.00715.81
7.1.250.0100.00415.60
7.1.240.0100.00615.74
7.1.230.0080.00615.65
7.1.220.0080.00415.63
7.1.210.0070.00815.70
7.1.200.0100.00615.65
7.1.190.0090.00815.75
7.1.180.0180.00515.58
7.1.170.0060.00615.60
7.1.160.0080.00415.72
7.1.150.0170.00415.56
7.1.140.0070.00715.65
7.1.130.0120.00515.56
7.1.120.0150.00515.55
7.1.110.0100.00915.85
7.1.100.0060.00816.33
7.1.90.0090.00815.64
7.1.80.0210.00815.75
7.1.70.0120.00716.08
7.1.60.0190.00616.56
7.1.50.0130.00816.00
7.1.40.0070.00815.63
7.1.30.0120.00815.76
7.1.20.0090.00615.64
7.1.10.0170.00715.62
7.1.00.0070.02217.27
7.0.330.0090.00315.27
7.0.320.0050.00715.27
7.0.310.0080.00415.21
7.0.300.0090.00615.30
7.0.290.0050.00815.26
7.0.280.0140.00515.24
7.0.270.0170.00815.27
7.0.260.0070.00615.41
7.0.250.0090.00615.38
7.0.240.0070.00715.39
7.0.230.0160.00415.33
7.0.220.0090.00615.29
7.0.210.0080.00515.47
7.0.200.0070.00715.72
7.0.190.0070.00615.36
7.0.180.0120.00415.18
7.0.170.0090.00515.16
7.0.160.0070.00615.15
7.0.150.0160.00615.33
7.0.140.0150.02016.90
7.0.130.0170.00615.35
7.0.120.0130.02117.13
7.0.110.0150.02416.49
7.0.100.0090.02616.46
7.0.90.0120.01916.58
7.0.80.0110.02316.54
7.0.70.0230.02216.39
7.0.60.0130.02516.48
7.0.50.0110.01716.59
7.0.40.0080.02714.99
7.0.30.0100.02414.99
7.0.20.0070.02115.02
7.0.10.0090.02614.90
7.0.00.0090.02714.89
5.6.400.0060.00914.59
5.6.390.0040.01214.21
5.6.380.0090.00614.21
5.6.370.0080.00614.41
5.6.360.0060.00914.24
5.6.350.0080.00814.14
5.6.340.0040.00814.37
5.6.330.0080.00514.06
5.6.320.0090.00214.17
5.6.310.0090.00414.42
5.6.300.0050.01114.42
5.6.290.0120.00314.32
5.6.280.0060.02615.98
5.6.270.0050.01114.30
5.6.260.0100.02415.96
5.6.250.0100.02515.88
5.6.240.0080.01715.89
5.6.230.0080.02415.79
5.6.220.0070.02615.73
5.6.210.0080.02515.80
5.6.200.0090.02615.69
5.6.190.0130.02415.86
5.6.180.0120.02015.95
5.6.170.0080.02315.96
5.6.160.0060.02915.93
5.6.150.0080.02515.93
5.6.140.0070.02415.80
5.6.130.0090.02215.78
5.6.120.0080.02215.86
5.6.110.0110.02215.77
5.6.100.0080.02515.78
5.6.90.0060.02415.80
5.6.80.0060.02615.54
5.6.70.0060.02415.55
5.6.60.0050.02415.59
5.6.50.0070.02415.63
5.6.40.0080.01715.66
5.6.30.0070.02615.55
5.6.20.0050.02215.67
5.6.10.0080.02515.60
5.6.00.0080.02115.58
5.5.380.0070.02414.62
5.5.370.0060.02614.60
5.5.360.0080.02514.69
5.5.350.0080.02514.64
5.5.340.0050.02614.77
5.5.330.0080.02114.76
5.5.320.0080.02314.78
5.5.310.0080.02214.79
5.5.300.0050.02014.82
5.5.290.0060.02414.73
5.5.280.0090.02314.80
5.5.270.0030.03114.76
5.5.260.0080.02114.66
5.5.250.0100.02114.68
5.5.240.0080.02214.57
5.5.230.0050.02514.56
5.5.220.0070.02014.50
5.5.210.0050.02014.48
5.5.200.0070.02114.55
5.5.190.0070.02014.56
5.5.180.0050.02214.48
5.5.170.0090.00613.06
5.5.160.0070.02214.46
5.5.150.0040.02614.51
5.5.140.0070.02214.55
5.5.130.0080.01314.52
5.5.120.0080.01914.59
5.5.110.0040.02714.47
5.5.100.0050.02414.56
5.5.90.0050.02514.61
5.5.80.0070.02214.51
5.5.70.0070.02314.46
5.5.60.0100.02114.45
5.5.50.0080.01514.53
5.5.40.0070.01614.62
5.5.30.0100.02014.49
5.5.20.0080.02114.44
5.5.10.0080.01814.51
5.5.00.0030.02814.54
5.4.450.0070.01813.96
5.4.440.0060.02413.98
5.4.430.0040.02414.03
5.4.420.0100.02013.99
5.4.410.0070.02213.93
5.4.400.0070.02313.95
5.4.390.0070.02313.91
5.4.380.0020.02613.92
5.4.370.0060.02313.93
5.4.360.0070.02313.88
5.4.350.0040.02213.88
5.4.340.0080.02213.91
5.4.330.0090.00312.16
5.4.320.0050.02313.91
5.4.310.0070.02113.92
5.4.300.0040.02313.88
5.4.290.0090.01613.87
5.4.280.0050.02013.87
5.4.270.0050.02513.88
5.4.260.0070.02313.91
5.4.250.0070.02313.95
5.4.240.0050.02213.90
5.4.230.0070.02113.93
5.4.220.0070.02113.87
5.4.210.0060.02113.95
5.4.200.0020.01913.90
5.4.190.0060.01613.93
5.4.180.0080.02013.90
5.4.170.0080.02213.92
5.4.160.0050.02413.91
5.4.150.0020.02613.88
5.4.140.0080.01413.27
5.4.130.0060.02313.27
5.4.120.0040.02113.29
5.4.110.0020.02413.25
5.4.100.0050.02513.23
5.4.90.0070.02213.25
5.4.80.0060.02213.28
5.4.70.0060.02013.31
5.4.60.0080.01313.26
5.4.50.0060.02113.21
5.4.40.0070.02113.28
5.4.30.0060.01513.24
5.4.20.0070.02113.21
5.4.10.0050.02413.23
5.4.00.0050.02413.14
5.3.290.0060.01812.75
5.3.280.0090.01912.79
5.3.270.0080.02112.80
5.3.260.0090.01112.78
5.3.250.0050.02512.77
5.3.240.0060.02212.79
5.3.230.0070.02112.81
5.3.220.0050.01912.76
5.3.210.0060.01912.77
5.3.200.0070.02212.78
5.3.190.0060.01912.79
5.3.180.0030.02512.73
5.3.170.0080.01612.77
5.3.160.0040.02412.80
5.3.150.0050.01812.79
5.3.140.0050.02312.78
5.3.130.0040.02412.78
5.3.120.0020.02612.76
5.3.110.0050.02312.77
5.3.100.0050.01712.60
5.3.90.0080.01812.64
5.3.80.0050.02012.63
5.3.70.0050.02212.63
5.3.60.0060.02312.59
5.3.50.0080.02112.66
5.3.40.0060.02212.63
5.3.30.0060.02112.60
5.3.20.0050.02012.54
5.3.10.0040.01712.54
5.3.00.0070.02012.53
5.2.170.0050.02011.81
5.2.160.0040.02111.81
5.2.150.0050.02311.81
5.2.140.0050.01711.81
5.2.130.0070.02111.81
5.2.120.0060.01811.81
5.2.110.0030.01911.81
5.2.100.0030.02411.81
5.2.90.0030.02411.81
5.2.80.0040.02011.81
5.2.70.0010.02611.81
5.2.60.0050.02411.81
5.2.50.0070.02211.81
5.2.40.0040.02211.81
5.2.30.0060.02211.81
5.2.20.0040.02411.81
5.2.10.0050.02211.81
5.2.00.0040.01611.81
5.1.60.0030.02211.81
5.1.50.0040.02111.81
5.1.40.0020.02111.81
5.1.30.0040.02111.81
5.1.20.0030.01311.81
5.1.10.0040.01811.81
5.1.00.0030.01811.81
5.0.50.0070.01511.81
5.0.40.0040.01311.81
5.0.30.0050.02111.81
5.0.20.0050.01511.81
5.0.10.0010.01211.81
5.0.00.0030.02411.81
4.4.90.0020.01411.81
4.4.80.0070.00911.81
4.4.70.0020.01511.81
4.4.60.0000.01411.81
4.4.50.0000.01511.81
4.4.40.0010.02211.81
4.4.30.0030.01311.81
4.4.20.0040.01311.81
4.4.10.0030.01211.81
4.4.00.0010.02111.81
4.3.110.0020.00911.81
4.3.100.0010.01311.81
4.3.90.0030.01111.81
4.3.80.0010.01211.81
4.3.70.0010.01111.81
4.3.60.0040.00511.81
4.3.50.0040.01111.81
4.3.40.0020.01211.81
4.3.30.0050.01111.81
4.3.20.0020.01411.81
4.3.10.0020.01211.81
4.3.00.0010.01511.81

preferences:
45.03 ms | 401 KiB | 5 Q