3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * Check if a given date is the first Monday of the month * * @param \DateTime $date * @return bool */ function isFirstSundayOfMonth(DateTime $date) { return (int)$date->format('d') <= 7 && $date->format('l') === 'Sunday'; } $day = new DateTime(); var_dump(isFirstMondayayOfMonth($day));

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)
8.3.70.0150.00618.52
8.3.60.0140.00416.63
8.3.50.0100.01021.29
8.3.40.0120.00318.86
8.3.30.0100.00719.03
8.3.20.0000.00820.14
8.3.10.0080.00023.59
8.3.00.0000.00823.29
8.2.190.0180.00317.00
8.2.180.0060.00917.13
8.2.170.0060.01222.96
8.2.160.0030.01020.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00420.90
8.2.120.0050.00226.35
8.2.110.0070.00321.18
8.2.100.0080.00318.05
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0090.00017.72
8.2.60.0050.00317.93
8.2.50.0050.00318.09
8.2.40.0060.00620.20
8.2.30.0000.00819.49
8.2.20.0000.00717.80
8.2.10.0000.00817.99
8.2.00.0040.00418.00
8.1.280.0070.00725.92
8.1.270.0090.00922.06
8.1.260.0000.00828.09
8.1.250.0000.00728.09
8.1.240.0090.00022.44
8.1.230.0070.00419.01
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0090.00017.47
8.1.190.0000.00817.48
8.1.180.0050.00318.10
8.1.170.0060.00318.84
8.1.160.0040.00420.78
8.1.150.0000.00720.59
8.1.140.0050.00319.58
8.1.130.0040.00417.70
8.1.120.0040.00317.62
8.1.110.0000.00717.56
8.1.100.0050.00317.61
8.1.90.0070.00017.57
8.1.80.0030.00317.45
8.1.70.0040.00417.50
8.1.60.0000.00817.55
8.1.50.0030.00517.64
8.1.40.0000.01017.54
8.1.30.0050.00317.88
8.1.20.0000.00817.70
8.1.10.0000.00817.73
8.1.00.0000.00817.70
8.0.300.0070.00018.77
8.0.290.0080.00017.00
8.0.280.0000.00718.47
8.0.270.0030.00317.26
8.0.260.0030.00317.27
8.0.250.0030.00317.13
8.0.240.0040.00417.02
8.0.230.0000.00817.04
8.0.220.0040.00417.10
8.0.210.0040.00417.06
8.0.200.0060.00017.12
8.0.190.0040.00417.17
8.0.180.0040.00417.16
8.0.170.0040.00417.11
8.0.160.0050.00317.19
8.0.150.0040.00417.06
8.0.140.0070.00016.88
8.0.130.0000.00513.43
8.0.120.0000.00917.04
8.0.110.0070.00017.17
8.0.100.0040.00417.05
8.0.90.0000.00816.91
8.0.80.0060.00917.15
8.0.70.0070.00017.14
8.0.60.0000.00717.21
8.0.50.0050.00317.08
8.0.30.0060.01517.27
8.0.20.0130.00917.40
8.0.10.0000.00817.21
8.0.00.0120.00816.75
7.4.330.0030.00316.77
7.4.320.0000.00716.48
7.4.300.0040.00416.74
7.4.290.0000.00716.75
7.4.280.0080.00016.64
7.4.270.0040.00416.77
7.4.260.0000.00816.66
7.4.250.0000.00716.66
7.4.240.0040.00416.79
7.4.230.0030.00316.53
7.4.220.0030.01416.73
7.4.210.0030.01016.75
7.4.200.0050.00216.44
7.4.160.0080.00816.46
7.4.150.0090.01217.40
7.4.140.0120.00617.86
7.4.130.0030.01416.60
7.4.120.0090.01216.61
7.4.110.0070.01116.66
7.4.100.0090.00916.79
7.4.90.0070.01016.55
7.4.80.0150.00319.39
7.4.70.0100.01416.79
7.4.60.0160.00016.64
7.4.50.0030.01316.65
7.4.40.0130.00916.87
7.4.30.0090.00916.86
7.4.00.0080.00915.07
7.3.330.0020.00213.34
7.3.320.0050.00013.41
7.3.310.0000.00716.30
7.3.300.0070.00016.47
7.3.290.0080.00816.43
7.3.280.0080.01016.39
7.3.270.0110.00617.40
7.3.260.0090.00916.70
7.3.250.0120.00616.50
7.3.240.0130.00816.59
7.3.230.0140.00416.88
7.3.210.0120.00916.72
7.3.200.0070.01019.39
7.3.190.0030.01316.45
7.3.180.0110.00516.45
7.3.170.0110.00816.63
7.3.160.0030.01316.73
7.3.120.0090.00715.04
7.3.110.0080.01015.17
7.3.100.0080.00615.01
7.3.90.0050.00714.87
7.3.80.0060.01014.93
7.3.70.0050.00714.93
7.3.60.0030.01114.99
7.3.50.0040.01014.89
7.3.40.0070.00714.91
7.3.30.0060.00615.02
7.3.20.0090.00416.90
7.3.10.0080.00616.73
7.3.00.0060.00716.82
7.2.330.0100.00716.57
7.2.320.0120.00416.77
7.2.310.0030.01816.83
7.2.300.0070.01116.89
7.2.290.0120.00816.65
7.2.250.0060.01015.30
7.2.240.0090.01115.13
7.2.230.0060.00815.20
7.2.220.0080.00815.18
7.2.210.0050.00915.06
7.2.200.0070.00715.19
7.2.190.0070.00615.00
7.2.180.0050.01015.06
7.2.170.0080.01115.21
7.2.160.0160.00315.24
7.2.150.0070.00316.94
7.2.140.0110.00417.07
7.2.130.0100.00316.93
7.2.120.0040.01316.96
7.2.110.0140.00616.95
7.2.100.0080.00916.99
7.2.90.0070.00817.04
7.2.80.0040.01116.71
7.2.70.0080.00517.03
7.2.60.0050.00716.91
7.2.50.0060.00817.01
7.2.40.0070.00917.16
7.2.30.0080.00717.03
7.2.20.0100.00316.94
7.2.10.0060.01016.72
7.2.00.0080.00817.86
7.1.330.0040.01015.67
7.1.320.0060.00715.80
7.1.310.0110.00515.66
7.1.300.0060.00715.79
7.1.290.0060.00915.58
7.1.280.0100.00815.66
7.1.270.0060.00715.66
7.1.260.0040.00815.87
7.1.250.0040.00415.75
7.1.240.0100.00315.70
7.1.230.0110.00315.69
7.1.220.0070.00715.50
7.1.210.0030.01015.55
7.1.200.0080.00315.68
7.1.190.0060.00315.95
7.1.180.0030.01015.84
7.1.170.0100.00715.81
7.1.160.0030.01315.51
7.1.150.0060.00815.91
7.1.140.0030.00715.73
7.1.130.0000.00815.83
7.1.120.0060.00915.34
7.1.110.0120.00415.97
7.1.100.0050.00616.92
7.1.90.0030.01015.44
7.1.80.0060.00615.88
7.1.70.0050.00516.33
7.1.60.0080.01317.53
7.1.50.0100.00716.32
7.1.40.0120.00015.85
7.1.30.0030.01015.74
7.1.20.0100.00315.85
7.1.10.0110.00415.89
7.1.00.0040.04319.02
7.0.330.0090.00315.24
7.0.320.0110.00015.53
7.0.310.0000.01515.43
7.0.300.0050.00815.43
7.0.290.0080.00015.64
7.0.280.0070.00315.15
7.0.270.0100.00015.45
7.0.260.0030.00815.45
7.0.250.0030.00515.38
7.0.240.0110.00415.44
7.0.230.0040.00815.35
7.0.220.0100.00315.55
7.0.210.0030.01015.57
7.0.200.0030.00916.12
7.0.190.0060.01015.58
7.0.180.0030.01315.54
7.0.170.0000.01515.27
7.0.160.0050.00515.37
7.0.150.0030.01015.37
7.0.140.0030.01015.04
7.0.130.0040.01515.48
7.0.120.0070.01115.46
7.0.110.0090.00015.23
7.0.100.0060.00615.71
7.0.90.0040.01115.50
7.0.80.0030.00915.54
7.0.70.0090.00015.44
7.0.60.0050.04018.68
7.0.50.0040.03416.71
7.0.40.0070.02316.82
7.0.30.0150.02316.79
7.0.20.0160.03116.78
7.0.10.0080.03416.90
7.0.00.0050.04516.90
5.6.400.0030.01414.16
5.6.390.0080.00414.71
5.6.380.0000.01114.55
5.6.370.0000.01314.16
5.6.360.0060.01214.54
5.6.350.0070.00414.44
5.6.340.0000.00914.23
5.6.330.0040.01114.38
5.6.320.0050.00514.29
5.6.310.0080.00614.32
5.6.300.0040.01214.64
5.6.290.0000.01214.43
5.6.280.0020.02317.63
5.6.270.0060.00614.43
5.6.260.0080.00314.27
5.6.250.0030.01014.55
5.6.240.0000.01414.09
5.6.230.0070.00714.49
5.6.220.0110.00414.41
5.6.210.0070.04317.32
5.6.200.0050.04616.27
5.6.190.0130.04217.60
5.6.180.0180.02317.43
5.6.170.0180.04117.51
5.6.160.0080.03517.56
5.6.150.0060.02316.21
5.6.140.0110.03516.39
5.6.130.0070.04516.29
5.6.120.0030.04517.83
5.6.110.0030.03217.61
5.6.100.0060.03817.76
5.6.90.0090.04217.87
5.6.80.0050.04217.35
5.6.70.0090.00314.48
5.6.60.0070.00714.21
5.6.50.0070.00714.36
5.6.40.0090.00614.34
5.6.30.0030.00914.21
5.6.20.0060.00314.23
5.6.10.0040.00714.40
5.6.00.0090.00614.63
5.5.380.0040.01114.31
5.5.370.0060.00614.27
5.5.360.0090.00014.23
5.5.350.2080.02617.32
5.5.340.0030.02716.12
5.5.330.0120.03717.29
5.5.320.0340.03617.46
5.5.310.0130.03017.24
5.5.300.0020.03616.04
5.5.290.0090.04416.18
5.5.280.0030.02317.75
5.5.270.0060.02017.65
5.5.260.0100.04517.52
5.5.250.0050.02217.37
5.5.240.0080.03517.20
5.5.230.0090.00614.34
5.5.220.0060.01214.39
5.5.210.0100.00314.12
5.5.200.0090.00314.38
5.5.190.0100.00314.21
5.5.180.0060.00614.23
5.5.170.0080.00814.35
5.5.160.0100.00313.95
5.5.150.0040.00714.45
5.5.140.0030.01014.09
5.5.130.0060.00914.14
5.5.120.0000.01414.47
5.5.110.0030.00814.41
5.5.100.0000.01614.23
5.5.90.0110.00414.49
5.5.80.0060.00614.42
5.5.70.0070.00314.38
5.5.60.0080.00414.49
5.5.50.0030.01014.01
5.5.40.0040.00814.10
5.5.30.0040.01113.99
5.5.20.0070.00714.34
5.5.10.0000.01414.15
5.5.00.0000.00814.27

preferences:
52.3 ms | 401 KiB | 5 Q